diff options
Diffstat (limited to 'arch')
139 files changed, 1450 insertions, 1579 deletions
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index 728bb8f3944..0babb645b83 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -544,10 +544,10 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) struct resource *fb_res = &lcdc_resources[2]; size_t fb_len = fb_res->end - fb_res->start + 1; - fb = ioremap_writecombine(fb_res->start, fb_len); + fb = ioremap(fb_res->start, fb_len); if (fb) { memset(fb, 0, fb_len); - iounmap(fb, fb_len); + iounmap(fb); } } lcdc_data = *data; diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index 054689804e7..450db304936 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -332,13 +332,6 @@ static struct resource lcdc_resources[] = { .end = AT91SAM9RL_ID_LCDC, .flags = IORESOURCE_IRQ, }, -#if defined(CONFIG_FB_INTSRAM) - [2] = { - .start = AT91SAM9RL_SRAM_BASE, - .end = AT91SAM9RL_SRAM_BASE + AT91SAM9RL_SRAM_SIZE - 1, - .flags = IORESOURCE_MEM, - }, -#endif }; static struct platform_device at91_lcdc_device = { @@ -381,20 +374,6 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ -#ifdef CONFIG_FB_INTSRAM - { - void __iomem *fb; - struct resource *fb_res = &lcdc_resources[2]; - size_t fb_len = fb_res->end - fb_res->start + 1; - - fb = ioremap_writecombine(fb_res->start, fb_len); - if (fb) { - memset(fb, 0, fb_len); - iounmap(fb, fb_len); - } - } -#endif - lcdc_data = *data; platform_device_register(&at91_lcdc_device); } diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index 07eb4c4bab8..8e8441587c2 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -671,6 +671,9 @@ config ROMKERNEL endchoice +if COLDFIRE +source "kernel/Kconfig.preempt" +endif source "mm/Kconfig" endmenu diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S index 5592e0bf951..93e69236ed6 100644 --- a/arch/m68knommu/kernel/vmlinux.lds.S +++ b/arch/m68knommu/kernel/vmlinux.lds.S @@ -114,6 +114,16 @@ SECTIONS { *(__kcrctab_gpl) __stop___kcrctab_gpl = .; + /* Kernel symbol table: Normal unused symbols */ + __start___kcrctab_unused = .; + *(__kcrctab_unused) + __stop___kcrctab_unused = .; + + /* Kernel symbol table: GPL-only unused symbols */ + __start___kcrctab_unused_gpl = .; + *(__kcrctab_unused_gpl) + __stop___kcrctab_unused_gpl = .; + /* Kernel symbol table: GPL-future symbols */ __start___kcrctab_gpl_future = .; *(__kcrctab_gpl_future) diff --git a/arch/mips/au1000/common/Makefile b/arch/mips/au1000/common/Makefile index 90e2d7a46e8..dd0e19dacfc 100644 --- a/arch/mips/au1000/common/Makefile +++ b/arch/mips/au1000/common/Makefile @@ -1,9 +1,8 @@ # -# Copyright 2000 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> # -# Makefile for the Alchemy Au1000 CPU, generic files. +# Makefile for the Alchemy Au1xx0 CPUs, generic files. # obj-y += prom.o irq.o puts.o time.o reset.o \ diff --git a/arch/mips/au1000/common/au1xxx_irqmap.c b/arch/mips/au1000/common/au1xxx_irqmap.c index 37a10a01de9..c7ca1596394 100644 --- a/arch/mips/au1000/common/au1xxx_irqmap.c +++ b/arch/mips/au1000/common/au1xxx_irqmap.c @@ -40,20 +40,20 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { #if defined(CONFIG_SOC_AU1000) - { AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -62,32 +62,32 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 }, #elif defined(CONFIG_SOC_AU1500) - { AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_PCI_INTA, INTC_INT_LOW_LEVEL, 0 }, { AU1000_PCI_INTB, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_PCI_INTC, INTC_INT_LOW_LEVEL, 0 }, { AU1000_PCI_INTD, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -100,26 +100,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 }, #elif defined(CONFIG_SOC_AU1100) - { AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0}, + { AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -128,33 +128,33 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, - /*{ AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0},*/ - { AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + /* { AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0 }, */ + { AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 }, #elif defined(CONFIG_SOC_AU1550) - { AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1550_PCI_INTA, INTC_INT_LOW_LEVEL, 0 }, { AU1550_PCI_INTB, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1550_PCI_INTC, INTC_INT_LOW_LEVEL, 0 }, { AU1550_PCI_INTD, INTC_INT_LOW_LEVEL, 0 }, { AU1550_PCI_RST_INT, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -163,26 +163,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0}, + { AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0 }, { AU1550_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1550_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, { AU1550_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, #elif defined(CONFIG_SOC_AU1200) - { AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1200_SWT_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1200_MAE_BE_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1200_MAE_FE_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -191,10 +191,10 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0}, + { AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0 }, { AU1200_USB_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0 }, #else #error "Error: Unknown Alchemy SOC" @@ -203,4 +203,3 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { }; int __initdata au1xxx_ic0_nr_irqs = ARRAY_SIZE(au1xxx_ic0_map); - diff --git a/arch/mips/au1000/common/clocks.c b/arch/mips/au1000/common/clocks.c index 3ce6cace0eb..46f8ee0e265 100644 --- a/arch/mips/au1000/common/clocks.c +++ b/arch/mips/au1000/common/clocks.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * Simple Au1000 clocks routines. + * Simple Au1xx0 clocks routines. * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -30,8 +29,8 @@ #include <linux/module.h> #include <asm/mach-au1x00/au1000.h> -static unsigned int au1x00_clock; // Hz -static unsigned int lcd_clock; // KHz +static unsigned int au1x00_clock; /* Hz */ +static unsigned int lcd_clock; /* KHz */ static unsigned long uart_baud_base; /* @@ -47,8 +46,6 @@ unsigned int get_au1x00_speed(void) return au1x00_clock; } - - /* * The UART baud base is not known at compile time ... if * we want to be able to use the same code on different @@ -73,24 +70,23 @@ void set_au1x00_uart_baud_base(unsigned long new_baud_base) void set_au1x00_lcd_clock(void) { unsigned int static_cfg0; - unsigned int sys_busclk = - (get_au1x00_speed()/1000) / - ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2); + unsigned int sys_busclk = (get_au1x00_speed() / 1000) / + ((int)(au_readl(SYS_POWERCTRL) & 0x03) + 2); static_cfg0 = au_readl(MEM_STCFG0); - if (static_cfg0 & (1<<11)) + if (static_cfg0 & (1 << 11)) lcd_clock = sys_busclk / 5; /* note: BCLK switching fails with D5 */ else lcd_clock = sys_busclk / 4; if (lcd_clock > 50000) /* Epson MAX */ - printk("warning: LCD clock too high (%d KHz)\n", lcd_clock); + printk(KERN_WARNING "warning: LCD clock too high (%u KHz)\n", + lcd_clock); } unsigned int get_au1x00_lcd_clock(void) { return lcd_clock; } - EXPORT_SYMBOL(get_au1x00_lcd_clock); diff --git a/arch/mips/au1000/common/cputable.c b/arch/mips/au1000/common/cputable.c index 8c93a05d738..ba6430bc2d0 100644 --- a/arch/mips/au1000/common/cputable.c +++ b/arch/mips/au1000/common/cputable.c @@ -14,7 +14,7 @@ #include <asm/mach-au1x00/au1000.h> -struct cpu_spec* cur_cpu_spec[NR_CPUS]; +struct cpu_spec *cur_cpu_spec[NR_CPUS]; /* With some thought, we can probably use the mask to reduce the * size of the table. @@ -39,8 +39,7 @@ struct cpu_spec cpu_specs[] = { { 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0, 0 } }; -void -set_cpuspec(void) +void set_cpuspec(void) { struct cpu_spec *sp; u32 prid; diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c index 53377dfc064..42d555236de 100644 --- a/arch/mips/au1000/common/dbdma.c +++ b/arch/mips/au1000/common/dbdma.c @@ -53,12 +53,11 @@ */ static DEFINE_SPINLOCK(au1xxx_dbdma_spin_lock); -/* I couldn't find a macro that did this...... -*/ +/* I couldn't find a macro that did this... */ #define ALIGN_ADDR(x, a) ((((u32)(x)) + (a-1)) & ~(a-1)) static dbdma_global_t *dbdma_gptr = (dbdma_global_t *)DDMA_GLOBAL_BASE; -static int dbdma_initialized=0; +static int dbdma_initialized; static void au1xxx_dbdma_init(void); static dbdev_tab_t dbdev_tab[] = { @@ -149,7 +148,7 @@ static dbdev_tab_t dbdev_tab[] = { { DSCR_CMD0_NAND_FLASH, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 }, -#endif // CONFIG_SOC_AU1200 +#endif /* CONFIG_SOC_AU1200 */ { DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 }, { DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 }, @@ -177,8 +176,7 @@ static dbdev_tab_t dbdev_tab[] = { static chan_tab_t *chan_tab_ptr[NUM_DBDMA_CHANS]; -static dbdev_tab_t * -find_dbdev_id(u32 id) +static dbdev_tab_t *find_dbdev_id(u32 id) { int i; dbdev_tab_t *p; @@ -190,29 +188,27 @@ find_dbdev_id(u32 id) return NULL; } -void * au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp) +void *au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp) { - return phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); + return phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); } EXPORT_SYMBOL(au1xxx_ddma_get_nextptr_virt); -u32 -au1xxx_ddma_add_device(dbdev_tab_t *dev) +u32 au1xxx_ddma_add_device(dbdev_tab_t *dev) { u32 ret = 0; - dbdev_tab_t *p=NULL; - static u16 new_id=0x1000; + dbdev_tab_t *p; + static u16 new_id = 0x1000; p = find_dbdev_id(~0); - if ( NULL != p ) - { + if (NULL != p) { memcpy(p, dev, sizeof(dbdev_tab_t)); p->dev_id = DSCR_DEV2CUSTOM_ID(new_id, dev->dev_id); ret = p->dev_id; new_id++; #if 0 - printk("add_device: id:%x flags:%x padd:%x\n", - p->dev_id, p->dev_flags, p->dev_physaddr ); + printk(KERN_DEBUG "add_device: id:%x flags:%x padd:%x\n", + p->dev_id, p->dev_flags, p->dev_physaddr); #endif } @@ -220,10 +216,8 @@ au1xxx_ddma_add_device(dbdev_tab_t *dev) } EXPORT_SYMBOL(au1xxx_ddma_add_device); -/* Allocate a channel and return a non-zero descriptor if successful. -*/ -u32 -au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, +/* Allocate a channel and return a non-zero descriptor if successful. */ +u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, void (*callback)(int, void *), void *callparam) { unsigned long flags; @@ -234,7 +228,8 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, chan_tab_t *ctp; au1x_dma_chan_t *cp; - /* We do the intialization on the first channel allocation. + /* + * We do the intialization on the first channel allocation. * We have to wait because of the interrupt handler initialization * which can't be done successfully during board set up. */ @@ -242,16 +237,17 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, au1xxx_dbdma_init(); dbdma_initialized = 1; - if ((stp = find_dbdev_id(srcid)) == NULL) + stp = find_dbdev_id(srcid); + if (stp == NULL) return 0; - if ((dtp = find_dbdev_id(destid)) == NULL) + dtp = find_dbdev_id(destid); + if (dtp == NULL) return 0; used = 0; rv = 0; - /* Check to see if we can get both channels. - */ + /* Check to see if we can get both channels. */ spin_lock_irqsave(&au1xxx_dbdma_spin_lock, flags); if (!(stp->dev_flags & DEV_FLAGS_INUSE) || (stp->dev_flags & DEV_FLAGS_ANYUSE)) { @@ -261,35 +257,30 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, (dtp->dev_flags & DEV_FLAGS_ANYUSE)) { /* Got destination */ dtp->dev_flags |= DEV_FLAGS_INUSE; - } - else { - /* Can't get dest. Release src. - */ + } else { + /* Can't get dest. Release src. */ stp->dev_flags &= ~DEV_FLAGS_INUSE; used++; } - } - else { + } else used++; - } spin_unlock_irqrestore(&au1xxx_dbdma_spin_lock, flags); if (!used) { - /* Let's see if we can allocate a channel for it. - */ + /* Let's see if we can allocate a channel for it. */ ctp = NULL; chan = 0; spin_lock_irqsave(&au1xxx_dbdma_spin_lock, flags); - for (i=0; i<NUM_DBDMA_CHANS; i++) { + for (i = 0; i < NUM_DBDMA_CHANS; i++) if (chan_tab_ptr[i] == NULL) { - /* If kmalloc fails, it is caught below same + /* + * If kmalloc fails, it is caught below same * as a channel not available. */ ctp = kmalloc(sizeof(chan_tab_t), GFP_ATOMIC); chan_tab_ptr[i] = ctp; break; } - } spin_unlock_irqrestore(&au1xxx_dbdma_spin_lock, flags); if (ctp != NULL) { @@ -304,8 +295,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, ctp->chan_callback = callback; ctp->chan_callparam = callparam; - /* Initialize channel configuration. - */ + /* Initialize channel configuration. */ i = 0; if (stp->dev_intlevel) i |= DDMA_CFG_SED; @@ -326,8 +316,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, * operations. */ rv = (u32)(&chan_tab_ptr[chan]); - } - else { + } else { /* Release devices */ stp->dev_flags &= ~DEV_FLAGS_INUSE; dtp->dev_flags &= ~DEV_FLAGS_INUSE; @@ -337,11 +326,11 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, } EXPORT_SYMBOL(au1xxx_dbdma_chan_alloc); -/* Set the device width if source or destination is a FIFO. +/* + * Set the device width if source or destination is a FIFO. * Should be 8, 16, or 32 bits. */ -u32 -au1xxx_dbdma_set_devwidth(u32 chanid, int bits) +u32 au1xxx_dbdma_set_devwidth(u32 chanid, int bits) { u32 rv; chan_tab_t *ctp; @@ -365,10 +354,8 @@ au1xxx_dbdma_set_devwidth(u32 chanid, int bits) } EXPORT_SYMBOL(au1xxx_dbdma_set_devwidth); -/* Allocate a descriptor ring, initializing as much as possible. -*/ -u32 -au1xxx_dbdma_ring_alloc(u32 chanid, int entries) +/* Allocate a descriptor ring, initializing as much as possible. */ +u32 au1xxx_dbdma_ring_alloc(u32 chanid, int entries) { int i; u32 desc_base, srcid, destid; @@ -378,43 +365,45 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) dbdev_tab_t *stp, *dtp; au1x_ddma_desc_t *dp; - /* I guess we could check this to be within the + /* + * I guess we could check this to be within the * range of the table...... */ ctp = *((chan_tab_t **)chanid); stp = ctp->chan_src; dtp = ctp->chan_dest; - /* The descriptors must be 32-byte aligned. There is a + /* + * The descriptors must be 32-byte aligned. There is a * possibility the allocation will give us such an address, * and if we try that first we are likely to not waste larger * slabs of memory. */ desc_base = (u32)kmalloc(entries * sizeof(au1x_ddma_desc_t), - GFP_KERNEL|GFP_DMA); + GFP_KERNEL|GFP_DMA); if (desc_base == 0) return 0; if (desc_base & 0x1f) { - /* Lost....do it again, allocate extra, and round + /* + * Lost....do it again, allocate extra, and round * the address base. */ kfree((const void *)desc_base); i = entries * sizeof(au1x_ddma_desc_t); i += (sizeof(au1x_ddma_desc_t) - 1); - if ((desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA)) == 0) + desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA); + if (desc_base == 0) return 0; desc_base = ALIGN_ADDR(desc_base, sizeof(au1x_ddma_desc_t)); } dp = (au1x_ddma_desc_t *)desc_base; - /* Keep track of the base descriptor. - */ + /* Keep track of the base descriptor. */ ctp->chan_desc_base = dp; - /* Initialize the rings with as much information as we know. - */ + /* Initialize the rings with as much information as we know. */ srcid = stp->dev_id; destid = dtp->dev_id; @@ -426,11 +415,12 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) cmd0 |= DSCR_CMD0_IE | DSCR_CMD0_CV; cmd0 |= DSCR_CMD0_ST(DSCR_CMD0_ST_NOCHANGE); - /* is it mem to mem transfer? */ - if(((DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_ALWAYS)) && - ((DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_ALWAYS))) { - cmd0 |= DSCR_CMD0_MEM; - } + /* Is it mem to mem transfer? */ + if (((DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_THROTTLE) || + (DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_ALWAYS)) && + ((DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_THROTTLE) || + (DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_ALWAYS))) + cmd0 |= DSCR_CMD0_MEM; switch (stp->dev_devwidth) { case 8: @@ -458,15 +448,17 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) break; } - /* If the device is marked as an in/out FIFO, ensure it is + /* + * If the device is marked as an in/out FIFO, ensure it is * set non-coherent. */ if (stp->dev_flags & DEV_FLAGS_IN) - cmd0 |= DSCR_CMD0_SN; /* Source in fifo */ + cmd0 |= DSCR_CMD0_SN; /* Source in FIFO */ if (dtp->dev_flags & DEV_FLAGS_OUT) - cmd0 |= DSCR_CMD0_DN; /* Destination out fifo */ + cmd0 |= DSCR_CMD0_DN; /* Destination out FIFO */ - /* Set up source1. For now, assume no stride and increment. + /* + * Set up source1. For now, assume no stride and increment. * A channel attribute update can change this later. */ switch (stp->dev_tsize) { @@ -485,19 +477,19 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) break; } - /* If source input is fifo, set static address. - */ + /* If source input is FIFO, set static address. */ if (stp->dev_flags & DEV_FLAGS_IN) { - if ( stp->dev_flags & DEV_FLAGS_BURSTABLE ) + if (stp->dev_flags & DEV_FLAGS_BURSTABLE) src1 |= DSCR_SRC1_SAM(DSCR_xAM_BURST); else - src1 |= DSCR_SRC1_SAM(DSCR_xAM_STATIC); - + src1 |= DSCR_SRC1_SAM(DSCR_xAM_STATIC); } + if (stp->dev_physaddr) src0 = stp->dev_physaddr; - /* Set up dest1. For now, assume no stride and increment. + /* + * Set up dest1. For now, assume no stride and increment. * A channel attribute update can change this later. */ switch (dtp->dev_tsize) { @@ -516,22 +508,24 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) break; } - /* If destination output is fifo, set static address. - */ + /* If destination output is FIFO, set static address. */ if (dtp->dev_flags & DEV_FLAGS_OUT) { - if ( dtp->dev_flags & DEV_FLAGS_BURSTABLE ) - dest1 |= DSCR_DEST1_DAM(DSCR_xAM_BURST); - else - dest1 |= DSCR_DEST1_DAM(DSCR_xAM_STATIC); + if (dtp->dev_flags & DEV_FLAGS_BURSTABLE) + dest1 |= DSCR_DEST1_DAM(DSCR_xAM_BURST); + else + dest1 |= DSCR_DEST1_DAM(DSCR_xAM_STATIC); } + if (dtp->dev_physaddr) dest0 = dtp->dev_physaddr; #if 0 - printk("did:%x sid:%x cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n", - dtp->dev_id, stp->dev_id, cmd0, cmd1, src0, src1, dest0, dest1 ); + printk(KERN_DEBUG "did:%x sid:%x cmd0:%x cmd1:%x source0:%x " + "source1:%x dest0:%x dest1:%x\n", + dtp->dev_id, stp->dev_id, cmd0, cmd1, src0, + src1, dest0, dest1); #endif - for (i=0; i<entries; i++) { + for (i = 0; i < entries; i++) { dp->dscr_cmd0 = cmd0; dp->dscr_cmd1 = cmd1; dp->dscr_source0 = src0; @@ -545,49 +539,49 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) dp++; } - /* Make last descrptor point to the first. - */ + /* Make last descrptor point to the first. */ dp--; dp->dscr_nxtptr = DSCR_NXTPTR(virt_to_phys(ctp->chan_desc_base)); ctp->get_ptr = ctp->put_ptr = ctp->cur_ptr = ctp->chan_desc_base; - return (u32)(ctp->chan_desc_base); + return (u32)ctp->chan_desc_base; } EXPORT_SYMBOL(au1xxx_dbdma_ring_alloc); -/* Put a source buffer into the DMA ring. +/* + * Put a source buffer into the DMA ring. * This updates the source pointer and byte count. Normally used * for memory to fifo transfers. */ -u32 -_au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags) +u32 _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags) { chan_tab_t *ctp; au1x_ddma_desc_t *dp; - /* I guess we could check this to be within the + /* + * I guess we could check this to be within the * range of the table...... */ - ctp = *((chan_tab_t **)chanid); + ctp = *(chan_tab_t **)chanid; - /* We should have multiple callers for a particular channel, + /* + * We should have multiple callers for a particular channel, * an interrupt doesn't affect this pointer nor the descriptor, * so no locking should be needed. */ dp = ctp->put_ptr; - /* If the descriptor is valid, we are way ahead of the DMA + /* + * If the descriptor is valid, we are way ahead of the DMA * engine, so just return an error condition. */ - if (dp->dscr_cmd0 & DSCR_CMD0_V) { + if (dp->dscr_cmd0 & DSCR_CMD0_V) return 0; - } - /* Load up buffer address and byte count. - */ + /* Load up buffer address and byte count. */ dp->dscr_source0 = virt_to_phys(buf); dp->dscr_cmd1 = nbytes; - /* Check flags */ + /* Check flags */ if (flags & DDMA_FLAGS_IE) dp->dscr_cmd0 |= DSCR_CMD0_IE; if (flags & DDMA_FLAGS_NOIE) @@ -595,23 +589,21 @@ _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags) /* * There is an errata on the Au1200/Au1550 parts that could result - * in "stale" data being DMA'd. It has to do with the snoop logic on - * the dache eviction buffer. NONCOHERENT_IO is on by default for - * these parts. If it is fixedin the future, these dma_cache_inv will + * in "stale" data being DMA'ed. It has to do with the snoop logic on + * the cache eviction buffer. DMA_NONCOHERENT is on by default for + * these parts. If it is fixed in the future, these dma_cache_inv will * just be nothing more than empty macros. See io.h. - * */ + */ dma_cache_wback_inv((unsigned long)buf, nbytes); - dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ + dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ au_sync(); dma_cache_wback_inv((unsigned long)dp, sizeof(dp)); - ctp->chan_ptr->ddma_dbell = 0; + ctp->chan_ptr->ddma_dbell = 0; - /* Get next descriptor pointer. - */ + /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); - /* return something not zero. - */ + /* Return something non-zero. */ return nbytes; } EXPORT_SYMBOL(_au1xxx_dbdma_put_source); @@ -654,81 +646,77 @@ _au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags) dp->dscr_dest0 = virt_to_phys(buf); dp->dscr_cmd1 = nbytes; #if 0 - printk("cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n", - dp->dscr_cmd0, dp->dscr_cmd1, dp->dscr_source0, - dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1 ); + printk(KERN_DEBUG "cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n", + dp->dscr_cmd0, dp->dscr_cmd1, dp->dscr_source0, + dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1); #endif /* * There is an errata on the Au1200/Au1550 parts that could result in - * "stale" data being DMA'd. It has to do with the snoop logic on the - * dache eviction buffer. NONCOHERENT_IO is on by default for these - * parts. If it is fixedin the future, these dma_cache_inv will just + * "stale" data being DMA'ed. It has to do with the snoop logic on the + * cache eviction buffer. DMA_NONCOHERENT is on by default for these + * parts. If it is fixed in the future, these dma_cache_inv will just * be nothing more than empty macros. See io.h. - * */ + */ dma_cache_inv((unsigned long)buf, nbytes); dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ au_sync(); dma_cache_wback_inv((unsigned long)dp, sizeof(dp)); - ctp->chan_ptr->ddma_dbell = 0; + ctp->chan_ptr->ddma_dbell = 0; - /* Get next descriptor pointer. - */ + /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); - /* return something not zero. - */ + /* Return something non-zero. */ return nbytes; } EXPORT_SYMBOL(_au1xxx_dbdma_put_dest); -/* Get a destination buffer into the DMA ring. +/* + * Get a destination buffer into the DMA ring. * Normally used to get a full buffer from the ring during fifo * to memory transfers. This does not set the valid bit, you will * have to put another destination buffer to keep the DMA going. */ -u32 -au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes) +u32 au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes) { chan_tab_t *ctp; au1x_ddma_desc_t *dp; u32 rv; - /* I guess we could check this to be within the + /* + * I guess we could check this to be within the * range of the table...... */ ctp = *((chan_tab_t **)chanid); - /* We should have multiple callers for a particular channel, + /* + * We should have multiple callers for a particular channel, * an interrupt doesn't affect this pointer nor the descriptor, * so no locking should be needed. */ dp = ctp->get_ptr; - /* If the descriptor is valid, we are way ahead of the DMA + /* + * If the descriptor is valid, we are way ahead of the DMA * engine, so just return an error condition. */ if (dp->dscr_cmd0 & DSCR_CMD0_V) return 0; - /* Return buffer address and byte count. - */ + /* Return buffer address and byte count. */ *buf = (void *)(phys_to_virt(dp->dscr_dest0)); *nbytes = dp->dscr_cmd1; rv = dp->dscr_stat; - /* Get next descriptor pointer. - */ + /* Get next descriptor pointer. */ ctp->get_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); - /* return something not zero. - */ + /* Return something non-zero. */ return rv; } - EXPORT_SYMBOL_GPL(au1xxx_dbdma_get_dest); -void -au1xxx_dbdma_stop(u32 chanid) +void au1xxx_dbdma_stop(u32 chanid) { chan_tab_t *ctp; au1x_dma_chan_t *cp; @@ -743,7 +731,7 @@ au1xxx_dbdma_stop(u32 chanid) udelay(1); halt_timeout++; if (halt_timeout > 100) { - printk("warning: DMA channel won't halt\n"); + printk(KERN_WARNING "warning: DMA channel won't halt\n"); break; } } @@ -753,12 +741,12 @@ au1xxx_dbdma_stop(u32 chanid) } EXPORT_SYMBOL(au1xxx_dbdma_stop); -/* Start using the current descriptor pointer. If the dbdma encounters - * a not valid descriptor, it will stop. In this case, we can just +/* + * Start using the current descriptor pointer. If the DBDMA encounters + * a non-valid descriptor, it will stop. In this case, we can just * continue by adding a buffer to the list and starting again. */ -void -au1xxx_dbdma_start(u32 chanid) +void au1xxx_dbdma_start(u32 chanid) { chan_tab_t *ctp; au1x_dma_chan_t *cp; @@ -773,8 +761,7 @@ au1xxx_dbdma_start(u32 chanid) } EXPORT_SYMBOL(au1xxx_dbdma_start); -void -au1xxx_dbdma_reset(u32 chanid) +void au1xxx_dbdma_reset(u32 chanid) { chan_tab_t *ctp; au1x_ddma_desc_t *dp; @@ -784,14 +771,14 @@ au1xxx_dbdma_reset(u32 chanid) ctp = *((chan_tab_t **)chanid); ctp->get_ptr = ctp->put_ptr = ctp->cur_ptr = ctp->chan_desc_base; - /* Run through the descriptors and reset the valid indicator. - */ + /* Run through the descriptors and reset the valid indicator. */ dp = ctp->chan_desc_base; do { dp->dscr_cmd0 &= ~DSCR_CMD0_V; - /* reset our SW status -- this is used to determine - * if a descriptor is in use by upper level SW. Since + /* + * Reset our software status -- this is used to determine + * if a descriptor is in use by upper level software. Since * posting can reset 'V' bit. */ dp->sw_status = 0; @@ -800,8 +787,7 @@ au1xxx_dbdma_reset(u32 chanid) } EXPORT_SYMBOL(au1xxx_dbdma_reset); -u32 -au1xxx_get_dma_residue(u32 chanid) +u32 au1xxx_get_dma_residue(u32 chanid) { chan_tab_t *ctp; au1x_dma_chan_t *cp; @@ -810,18 +796,15 @@ au1xxx_get_dma_residue(u32 chanid) ctp = *((chan_tab_t **)chanid); cp = ctp->chan_ptr; - /* This is only valid if the channel is stopped. - */ + /* This is only valid if the channel is stopped. */ rv = cp->ddma_bytecnt; au_sync(); return rv; } - EXPORT_SYMBOL_GPL(au1xxx_get_dma_residue); -void -au1xxx_dbdma_chan_free(u32 chanid) +void au1xxx_dbdma_chan_free(u32 chanid) { chan_tab_t *ctp; dbdev_tab_t *stp, *dtp; @@ -842,8 +825,7 @@ au1xxx_dbdma_chan_free(u32 chanid) } EXPORT_SYMBOL(au1xxx_dbdma_chan_free); -static irqreturn_t -dbdma_interrupt(int irq, void *dev_id) +static irqreturn_t dbdma_interrupt(int irq, void *dev_id) { u32 intstat; u32 chan_index; @@ -859,13 +841,12 @@ dbdma_interrupt(int irq, void *dev_id) cp = ctp->chan_ptr; dp = ctp->cur_ptr; - /* Reset interrupt. - */ + /* Reset interrupt. */ cp->ddma_irq = 0; au_sync(); if (ctp->chan_callback) - (ctp->chan_callback)(irq, ctp->chan_callparam); + ctp->chan_callback(irq, ctp->chan_callparam); ctp->cur_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); return IRQ_RETVAL(1); @@ -890,47 +871,47 @@ static void au1xxx_dbdma_init(void) if (request_irq(irq_nr, dbdma_interrupt, IRQF_DISABLED, "Au1xxx dbdma", (void *)dbdma_gptr)) - printk("Can't get 1550 dbdma irq"); + printk(KERN_ERR "Can't get 1550 dbdma irq"); } -void -au1xxx_dbdma_dump(u32 chanid) +void au1xxx_dbdma_dump(u32 chanid) { - chan_tab_t *ctp; - au1x_ddma_desc_t *dp; - dbdev_tab_t *stp, *dtp; - au1x_dma_chan_t *cp; - u32 i = 0; + chan_tab_t *ctp; + au1x_ddma_desc_t *dp; + dbdev_tab_t *stp, *dtp; + au1x_dma_chan_t *cp; + u32 i = 0; ctp = *((chan_tab_t **)chanid); stp = ctp->chan_src; dtp = ctp->chan_dest; cp = ctp->chan_ptr; - printk("Chan %x, stp %x (dev %d) dtp %x (dev %d) \n", - (u32)ctp, (u32)stp, stp - dbdev_tab, (u32)dtp, dtp - dbdev_tab); - printk("desc base %x, get %x, put %x, cur %x\n", - (u32)(ctp->chan_desc_base), (u32)(ctp->get_ptr), - (u32)(ctp->put_ptr), (u32)(ctp->cur_ptr)); - - printk("dbdma chan %x\n", (u32)cp); - printk("cfg %08x, desptr %08x, statptr %08x\n", - cp->ddma_cfg, cp->ddma_desptr, cp->ddma_statptr); - printk("dbell %08x, irq %08x, stat %08x, bytecnt %08x\n", - cp->ddma_dbell, cp->ddma_irq, cp->ddma_stat, cp->ddma_bytecnt); - - - /* Run through the descriptors - */ + printk(KERN_DEBUG "Chan %x, stp %x (dev %d) dtp %x (dev %d) \n", + (u32)ctp, (u32)stp, stp - dbdev_tab, (u32)dtp, + dtp - dbdev_tab); + printk(KERN_DEBUG "desc base %x, get %x, put %x, cur %x\n", + (u32)(ctp->chan_desc_base), (u32)(ctp->get_ptr), + (u32)(ctp->put_ptr), (u32)(ctp->cur_ptr)); + + printk(KERN_DEBUG "dbdma chan %x\n", (u32)cp); + printk(KERN_DEBUG "cfg %08x, desptr %08x, statptr %08x\n", + cp->ddma_cfg, cp->ddma_desptr, cp->ddma_statptr); + printk(KERN_DEBUG "dbell %08x, irq %08x, stat %08x, bytecnt %08x\n", + cp->ddma_dbell, cp->ddma_irq, cp->ddma_stat, + cp->ddma_bytecnt); + + /* Run through the descriptors */ dp = ctp->chan_desc_base; do { - printk("Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n", - i++, (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1); - printk("src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n", - dp->dscr_source0, dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1); - printk("stat %08x, nxtptr %08x\n", - dp->dscr_stat, dp->dscr_nxtptr); + printk(KERN_DEBUG "Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n", + i++, (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1); + printk(KERN_DEBUG "src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n", + dp->dscr_source0, dp->dscr_source1, + dp->dscr_dest0, dp->dscr_dest1); + printk(KERN_DEBUG "stat %08x, nxtptr %08x\n", + dp->dscr_stat, dp->dscr_nxtptr); dp = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); } while (dp != ctp->chan_desc_base); } @@ -938,32 +919,33 @@ au1xxx_dbdma_dump(u32 chanid) /* Put a descriptor into the DMA ring. * This updates the source/destination pointers and byte count. */ -u32 -au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr ) +u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr) { chan_tab_t *ctp; au1x_ddma_desc_t *dp; - u32 nbytes=0; + u32 nbytes = 0; - /* I guess we could check this to be within the - * range of the table...... - */ + /* + * I guess we could check this to be within the + * range of the table...... + */ ctp = *((chan_tab_t **)chanid); - /* We should have multiple callers for a particular channel, - * an interrupt doesn't affect this pointer nor the descriptor, - * so no locking should be needed. - */ + /* + * We should have multiple callers for a particular channel, + * an interrupt doesn't affect this pointer nor the descriptor, + * so no locking should be needed. + */ dp = ctp->put_ptr; - /* If the descriptor is valid, we are way ahead of the DMA - * engine, so just return an error condition. - */ + /* + * If the descriptor is valid, we are way ahead of the DMA + * engine, so just return an error condition. + */ if (dp->dscr_cmd0 & DSCR_CMD0_V) return 0; - /* Load up buffer addresses and byte count. - */ + /* Load up buffer addresses and byte count. */ dp->dscr_dest0 = dscr->dscr_dest0; dp->dscr_source0 = dscr->dscr_source0; dp->dscr_dest1 = dscr->dscr_dest1; @@ -975,14 +957,11 @@ au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr ) dp->dscr_cmd0 |= dscr->dscr_cmd0 | DSCR_CMD0_V; ctp->chan_ptr->ddma_dbell = 0; - /* Get next descriptor pointer. - */ + /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); - /* return something not zero. - */ + /* Return something non-zero. */ return nbytes; } #endif /* defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200) */ - diff --git a/arch/mips/au1000/common/dbg_io.c b/arch/mips/au1000/common/dbg_io.c index eae1bb2ca26..af5be7df2f2 100644 --- a/arch/mips/au1000/common/dbg_io.c +++ b/arch/mips/au1000/common/dbg_io.c @@ -1,3 +1,4 @@ +#include <linux/types.h> #include <asm/mach-au1x00/au1000.h> @@ -8,12 +9,6 @@ * uart to be used for debugging. */ #define DEBUG_BASE UART_DEBUG_BASE -/**/ - -/* we need uint32 uint8 */ -/* #include "types.h" */ -typedef unsigned char uint8; -typedef unsigned int uint32; #define UART16550_BAUD_2400 2400 #define UART16550_BAUD_4800 4800 @@ -51,17 +46,15 @@ typedef unsigned int uint32; #define UART_MOD_CNTRL 0x100 /* Module Control */ /* memory-mapped read/write of the port */ -#define UART16550_READ(y) (au_readl(DEBUG_BASE + y) & 0xff) -#define UART16550_WRITE(y, z) (au_writel(z&0xff, DEBUG_BASE + y)) +#define UART16550_READ(y) (au_readl(DEBUG_BASE + y) & 0xff) +#define UART16550_WRITE(y, z) (au_writel(z & 0xff, DEBUG_BASE + y)) extern unsigned long calc_clock(void); -void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) +void debugInit(u32 baud, u8 data, u8 parity, u8 stop) { - - if (UART16550_READ(UART_MOD_CNTRL) != 0x3) { + if (UART16550_READ(UART_MOD_CNTRL) != 0x3) UART16550_WRITE(UART_MOD_CNTRL, 3); - } calc_clock(); /* disable interrupts */ @@ -69,7 +62,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) /* set up baud rate */ { - uint32 divisor; + u32 divisor; /* set divisor */ divisor = get_au1x00_uart_baud_base() / baud; @@ -80,9 +73,9 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) UART16550_WRITE(UART_LCR, (data | parity | stop)); } -static int remoteDebugInitialized = 0; +static int remoteDebugInitialized; -uint8 getDebugChar(void) +u8 getDebugChar(void) { if (!remoteDebugInitialized) { remoteDebugInitialized = 1; @@ -92,15 +85,13 @@ uint8 getDebugChar(void) UART16550_STOP_1BIT); } - while((UART16550_READ(UART_LSR) & 0x1) == 0); + while ((UART16550_READ(UART_LSR) & 0x1) == 0); return UART16550_READ(UART_RX); } -int putDebugChar(uint8 byte) +int putDebugChar(u8 byte) { -// int i; - if (!remoteDebugInitialized) { remoteDebugInitialized = 1; debugInit(UART16550_BAUD_115200, @@ -109,9 +100,8 @@ int putDebugChar(uint8 byte) UART16550_STOP_1BIT); } - while ((UART16550_READ(UART_LSR)&0x40) == 0); + while ((UART16550_READ(UART_LSR) & 0x40) == 0); UART16550_WRITE(UART_TX, byte); - //for (i=0;i<0xfff;i++); return 1; } diff --git a/arch/mips/au1000/common/dma.c b/arch/mips/au1000/common/dma.c index 95f69ea146e..d6fbda232e6 100644 --- a/arch/mips/au1000/common/dma.c +++ b/arch/mips/au1000/common/dma.c @@ -1,12 +1,11 @@ /* * * BRIEF MODULE DESCRIPTION - * A DMA channel allocator for Au1000. API is modeled loosely off of + * A DMA channel allocator for Au1x00. API is modeled loosely off of * linux/kernel/dma.c. * - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * stevel@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) * * This program is free software; you can redistribute it and/or modify it @@ -39,7 +38,8 @@ #include <asm/mach-au1x00/au1000.h> #include <asm/mach-au1x00/au1000_dma.h> -#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1100) +#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || \ + defined(CONFIG_SOC_AU1100) /* * A note on resource allocation: * @@ -56,7 +56,6 @@ * returned from request_dma. */ - DEFINE_SPINLOCK(au1000_dma_spin_lock); struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = { @@ -71,7 +70,7 @@ struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = { }; EXPORT_SYMBOL(au1000_dma_table); -// Device FIFO addresses and default DMA modes +/* Device FIFO addresses and default DMA modes */ static const struct dma_dev { unsigned int fifo_addr; unsigned int dma_mode; @@ -80,8 +79,8 @@ static const struct dma_dev { {UART0_ADDR + UART_RX, 0}, {0, 0}, {0, 0}, - {AC97C_DATA, DMA_DW16 }, // coherent - {AC97C_DATA, DMA_DR | DMA_DW16 }, // coherent + {AC97C_DATA, DMA_DW16 }, /* coherent */ + {AC97C_DATA, DMA_DR | DMA_DW16 }, /* coherent */ {UART3_ADDR + UART_TX, DMA_DW8 | DMA_NC}, {UART3_ADDR + UART_RX, DMA_DR | DMA_DW8 | DMA_NC}, {USBD_EP0RD, DMA_DR | DMA_DW8 | DMA_NC}, @@ -101,10 +100,10 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos, struct dma_chan *chan; for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) { - if ((chan = get_dma_chan(i)) != NULL) { + chan = get_dma_chan(i); + if (chan != NULL) len += sprintf(buf + len, "%2d: %s\n", i, chan->dev_str); - } } if (fpos >= len) { @@ -113,18 +112,19 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos, return 0; } *start = buf + fpos; - if ((len -= fpos) > length) + len -= fpos; + if (len > length) return length; *eof = 1; return len; } -// Device FIFO addresses and default DMA modes - 2nd bank +/* Device FIFO addresses and default DMA modes - 2nd bank */ static const struct dma_dev dma_dev_table_bank2[DMA_NUM_DEV_BANK2] = { - {SD0_XMIT_FIFO, DMA_DS | DMA_DW8}, // coherent - {SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8}, // coherent - {SD1_XMIT_FIFO, DMA_DS | DMA_DW8}, // coherent - {SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8} // coherent + { SD0_XMIT_FIFO, DMA_DS | DMA_DW8 }, /* coherent */ + { SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 }, /* coherent */ + { SD1_XMIT_FIFO, DMA_DS | DMA_DW8 }, /* coherent */ + { SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 } /* coherent */ }; void dump_au1000_dma_channel(unsigned int dmanr) @@ -150,7 +150,6 @@ void dump_au1000_dma_channel(unsigned int dmanr) au_readl(chan->io + DMA_BUFFER1_COUNT)); } - /* * Finds a free channel, and binds the requested device to it. * Returns the allocated channel number, or negative on error. @@ -169,14 +168,14 @@ int request_au1000_dma(int dev_id, const char *dev_str, if (dev_id < 0 || dev_id >= (DMA_NUM_DEV + DMA_NUM_DEV_BANK2)) return -EINVAL; #else - if (dev_id < 0 || dev_id >= DMA_NUM_DEV) + if (dev_id < 0 || dev_id >= DMA_NUM_DEV) return -EINVAL; #endif - for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) { + for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) if (au1000_dma_table[i].dev_id < 0) break; - } + if (i == NUM_AU1000_DMA_CHANNELS) return -ENODEV; @@ -185,15 +184,15 @@ int request_au1000_dma(int dev_id, const char *dev_str, if (dev_id >= DMA_NUM_DEV) { dev_id -= DMA_NUM_DEV; dev = &dma_dev_table_bank2[dev_id]; - } else { + } else dev = &dma_dev_table[dev_id]; - } if (irqhandler) { chan->irq = AU1000_DMA_INT_BASE + i; chan->irq_dev = irq_dev_id; - if ((ret = request_irq(chan->irq, irqhandler, irqflags, - dev_str, chan->irq_dev))) { + ret = request_irq(chan->irq, irqhandler, irqflags, dev_str, + chan->irq_dev); + if (ret) { chan->irq = 0; chan->irq_dev = NULL; return ret; @@ -203,7 +202,7 @@ int request_au1000_dma(int dev_id, const char *dev_str, chan->irq_dev = NULL; } - // fill it in + /* fill it in */ chan->io = DMA_CHANNEL_BASE + i * DMA_CHANNEL_LEN; chan->dev_id = dev_id; chan->dev_str = dev_str; @@ -220,8 +219,9 @@ EXPORT_SYMBOL(request_au1000_dma); void free_au1000_dma(unsigned int dmanr) { struct dma_chan *chan = get_dma_chan(dmanr); + if (!chan) { - printk("Trying to free DMA%d\n", dmanr); + printk(KERN_ERR "Error trying to free DMA%d\n", dmanr); return; } @@ -235,4 +235,4 @@ void free_au1000_dma(unsigned int dmanr) } EXPORT_SYMBOL(free_au1000_dma); -#endif // AU1000 AU1500 AU1100 +#endif /* AU1000 AU1500 AU1100 */ diff --git a/arch/mips/au1000/common/gpio.c b/arch/mips/au1000/common/gpio.c index 52545258997..b485d94ce8a 100644 --- a/arch/mips/au1000/common/gpio.c +++ b/arch/mips/au1000/common/gpio.c @@ -69,7 +69,7 @@ static int au1xxx_gpio2_direction_output(unsigned gpio, int value) static int au1xxx_gpio1_read(unsigned gpio) { - return ((gpio1->pinstaterd >> gpio) & 0x01); + return (gpio1->pinstaterd >> gpio) & 0x01; } static void au1xxx_gpio1_write(unsigned gpio, int value) @@ -104,7 +104,6 @@ int au1xxx_gpio_get_value(unsigned gpio) else return au1xxx_gpio1_read(gpio); } - EXPORT_SYMBOL(au1xxx_gpio_get_value); void au1xxx_gpio_set_value(unsigned gpio, int value) @@ -118,7 +117,6 @@ void au1xxx_gpio_set_value(unsigned gpio, int value) else au1xxx_gpio1_write(gpio, value); } - EXPORT_SYMBOL(au1xxx_gpio_set_value); int au1xxx_gpio_direction_input(unsigned gpio) @@ -132,7 +130,6 @@ int au1xxx_gpio_direction_input(unsigned gpio) return au1xxx_gpio1_direction_input(gpio); } - EXPORT_SYMBOL(au1xxx_gpio_direction_input); int au1xxx_gpio_direction_output(unsigned gpio, int value) @@ -146,5 +143,4 @@ int au1xxx_gpio_direction_output(unsigned gpio, int value) return au1xxx_gpio1_direction_output(gpio, value); } - EXPORT_SYMBOL(au1xxx_gpio_direction_output); diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c index f0626992fd7..40c6ceceb5f 100644 --- a/arch/mips/au1000/common/irq.c +++ b/arch/mips/au1000/common/irq.c @@ -210,10 +210,8 @@ static inline void mask_and_ack_either_edge_irq(unsigned int irq_nr) au_sync(); } - static inline void mask_and_ack_level_irq(unsigned int irq_nr) { - local_disable_irq(irq_nr); au_sync(); #if defined(CONFIG_MIPS_PB1000) @@ -263,14 +261,14 @@ void restore_local_and_enable(int controller, unsigned long mask) unsigned long flags, new_mask; spin_lock_irqsave(&irq_lock, flags); - for (i = 0; i < 32; i++) { + for (i = 0; i < 32; i++) if (mask & (1 << i)) { if (controller) local_enable_irq(i + 32); else local_enable_irq(i); } - } + if (controller) new_mask = au_readl(IC1_MASKSET); else diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c index 7e966b31e3e..7866cf50cf9 100644 --- a/arch/mips/au1000/common/pci.c +++ b/arch/mips/au1000/common/pci.c @@ -2,9 +2,8 @@ * BRIEF MODULE DESCRIPTION * Alchemy/AMD Au1x00 PCI support. * - * Copyright 2001-2003, 2007 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001-2003, 2007-2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) * @@ -86,9 +85,9 @@ static int __init au1x_pci_setup(void) u32 prid = read_c0_prid(); if ((prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) { - au_writel((1 << 16) | au_readl(Au1500_PCI_CFG), - Au1500_PCI_CFG); - printk("Non-coherent PCI accesses enabled\n"); + au_writel((1 << 16) | au_readl(Au1500_PCI_CFG), + Au1500_PCI_CFG); + printk(KERN_INFO "Non-coherent PCI accesses enabled\n"); } } #endif diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c index 31d2a227087..8cae7753ef7 100644 --- a/arch/mips/au1000/common/platform.c +++ b/arch/mips/au1000/common/platform.c @@ -269,8 +269,8 @@ static struct platform_device au1x00_pcmcia_device = { #ifdef SMBUS_PSC_BASE static struct resource pbdb_smbus_resources[] = { { - .start = SMBUS_PSC_BASE, - .end = SMBUS_PSC_BASE + 0x24 - 1, + .start = CPHYSADDR(SMBUS_PSC_BASE), + .end = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff), .flags = IORESOURCE_MEM, }, }; @@ -302,16 +302,17 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = { #endif }; -int __init au1xxx_platform_init(void) +static int __init au1xxx_platform_init(void) { unsigned int uartclk = get_au1x00_uart_baud_base() * 16; int i; /* Fill up uartclk. */ - for (i = 0; au1x00_uart_data[i].flags ; i++) + for (i = 0; au1x00_uart_data[i].flags; i++) au1x00_uart_data[i].uartclk = uartclk; - return platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices)); + return platform_add_devices(au1xxx_platform_devices, + ARRAY_SIZE(au1xxx_platform_devices)); } arch_initcall(au1xxx_platform_init); diff --git a/arch/mips/au1000/common/power.c b/arch/mips/au1000/common/power.c index a8cd2c1b9e1..2166b9e1e80 100644 --- a/arch/mips/au1000/common/power.c +++ b/arch/mips/au1000/common/power.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * Au1000 Power Management routines. + * Au1xx0 Power Management routines. * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * Some of the routines are right out of init/main.c, whose * copyrights apply here. @@ -43,10 +42,10 @@ #ifdef CONFIG_PM #define DEBUG 1 -#ifdef DEBUG -# define DPRINTK(fmt, args...) printk("%s: " fmt, __func__, ## args) +#ifdef DEBUG +#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __func__, ## args) #else -# define DPRINTK(fmt, args...) +#define DPRINTK(fmt, args...) #endif static void au1000_calibrate_delay(void); @@ -57,7 +56,8 @@ extern void local_enable_irq(unsigned int irq_nr); static DEFINE_SPINLOCK(pm_lock); -/* We need to save/restore a bunch of core registers that are +/* + * We need to save/restore a bunch of core registers that are * either volatile or reset to some state across a processor sleep. * If reading a register doesn't provide a proper result for a * later restore, we have to provide a function for loading that @@ -78,24 +78,25 @@ static unsigned int sleep_usbhost_enable; static unsigned int sleep_usbdev_enable; static unsigned int sleep_static_memctlr[4][3]; -/* Define this to cause the value you write to /proc/sys/pm/sleep to +/* + * Define this to cause the value you write to /proc/sys/pm/sleep to * set the TOY timer for the amount of time you want to sleep. * This is done mainly for testing, but may be useful in other cases. * The value is number of 32KHz ticks to sleep. */ #define SLEEP_TEST_TIMEOUT 1 -#ifdef SLEEP_TEST_TIMEOUT -static int sleep_ticks; +#ifdef SLEEP_TEST_TIMEOUT +static int sleep_ticks; void wakeup_counter0_set(int ticks); #endif -static void -save_core_regs(void) +static void save_core_regs(void) { extern void save_au1xxx_intctl(void); extern void pm_eth0_shutdown(void); - /* Do the serial ports.....these really should be a pm_* + /* + * Do the serial ports.....these really should be a pm_* * registered function by the driver......but of course the * standard serial driver doesn't understand our Au1xxx * unique registers. @@ -106,27 +107,24 @@ save_core_regs(void) sleep_uart0_clkdiv = au_readl(UART0_ADDR + UART_CLK); sleep_uart0_enable = au_readl(UART0_ADDR + UART_MOD_CNTRL); - /* Shutdown USB host/device. - */ + /* Shutdown USB host/device. */ sleep_usbhost_enable = au_readl(USB_HOST_CONFIG); - /* There appears to be some undocumented reset register.... - */ + /* There appears to be some undocumented reset register.... */ au_writel(0, 0xb0100004); au_sync(); au_writel(0, USB_HOST_CONFIG); au_sync(); sleep_usbdev_enable = au_readl(USBD_ENABLE); au_writel(0, USBD_ENABLE); au_sync(); - /* Save interrupt controller state. - */ + /* Save interrupt controller state. */ save_au1xxx_intctl(); - /* Clocks and PLLs. - */ + /* Clocks and PLLs. */ sleep_aux_pll_cntrl = au_readl(SYS_AUXPLL); - /* We don't really need to do this one, but unless we + /* + * We don't really need to do this one, but unless we * write it again it won't have a valid value if we * happen to read it. */ @@ -134,8 +132,7 @@ save_core_regs(void) sleep_pin_function = au_readl(SYS_PINFUNC); - /* Save the static memory controller configuration. - */ + /* Save the static memory controller configuration. */ sleep_static_memctlr[0][0] = au_readl(MEM_STCFG0); sleep_static_memctlr[0][1] = au_readl(MEM_STTIME0); sleep_static_memctlr[0][2] = au_readl(MEM_STADDR0); @@ -150,8 +147,7 @@ save_core_regs(void) sleep_static_memctlr[3][2] = au_readl(MEM_STADDR3); } -static void -restore_core_regs(void) +static void restore_core_regs(void) { extern void restore_au1xxx_intctl(void); extern void wakeup_counter0_adjust(void); @@ -160,8 +156,7 @@ restore_core_regs(void) au_writel(sleep_cpu_pll_cntrl, SYS_CPUPLL); au_sync(); au_writel(sleep_pin_function, SYS_PINFUNC); au_sync(); - /* Restore the static memory controller configuration. - */ + /* Restore the static memory controller configuration. */ au_writel(sleep_static_memctlr[0][0], MEM_STCFG0); au_writel(sleep_static_memctlr[0][1], MEM_STTIME0); au_writel(sleep_static_memctlr[0][2], MEM_STADDR0); @@ -175,7 +170,8 @@ restore_core_regs(void) au_writel(sleep_static_memctlr[3][1], MEM_STTIME3); au_writel(sleep_static_memctlr[3][2], MEM_STADDR3); - /* Enable the UART if it was enabled before sleep. + /* + * Enable the UART if it was enabled before sleep. * I guess I should define module control bits........ */ if (sleep_uart0_enable & 0x02) { @@ -202,7 +198,7 @@ void wakeup_from_suspend(void) int au_sleep(void) { unsigned long wakeup, flags; - extern void save_and_sleep(void); + extern void save_and_sleep(void); spin_lock_irqsave(&pm_lock, flags); @@ -210,23 +206,22 @@ int au_sleep(void) flush_cache_all(); - /** The code below is all system dependent and we should probably + /** + ** The code below is all system dependent and we should probably ** have a function call out of here to set this up. You need ** to configure the GPIO or timer interrupts that will bring ** you out of sleep. ** For testing, the TOY counter wakeup is useful. **/ - #if 0 au_writel(au_readl(SYS_PINSTATERD) & ~(1 << 11), SYS_PINSTATERD); - /* gpio 6 can cause a wake up event */ + /* GPIO 6 can cause a wake up event */ wakeup = au_readl(SYS_WAKEMSK); wakeup &= ~(1 << 8); /* turn off match20 wakeup */ - wakeup |= 1 << 6; /* turn on gpio 6 wakeup */ + wakeup |= 1 << 6; /* turn on GPIO 6 wakeup */ #else - /* For testing, allow match20 to wake us up. - */ + /* For testing, allow match20 to wake us up. */ #ifdef SLEEP_TEST_TIMEOUT wakeup_counter0_set(sleep_ticks); #endif @@ -240,7 +235,8 @@ int au_sleep(void) save_and_sleep(); - /* after a wakeup, the cpu vectors back to 0x1fc00000 so + /* + * After a wakeup, the cpu vectors back to 0x1fc00000, so * it's up to the boot code to get us back here. */ restore_core_regs(); @@ -248,24 +244,22 @@ int au_sleep(void) return 0; } -static int pm_do_sleep(ctl_table * ctl, int write, struct file *file, - void __user *buffer, size_t * len, loff_t *ppos) +static int pm_do_sleep(ctl_table *ctl, int write, struct file *file, + void __user *buffer, size_t *len, loff_t *ppos) { #ifdef SLEEP_TEST_TIMEOUT #define TMPBUFLEN2 16 char buf[TMPBUFLEN2], *p; #endif - if (!write) { + if (!write) *len = 0; - } else { + else { #ifdef SLEEP_TEST_TIMEOUT - if (*len > TMPBUFLEN2 - 1) { + if (*len > TMPBUFLEN2 - 1) return -EFAULT; - } - if (copy_from_user(buf, buffer, *len)) { + if (copy_from_user(buf, buffer, *len)) return -EFAULT; - } buf[*len] = 0; p = buf; sleep_ticks = simple_strtoul(p, &p, 0); @@ -276,8 +270,8 @@ static int pm_do_sleep(ctl_table * ctl, int write, struct file *file, return 0; } -static int pm_do_freq(ctl_table * ctl, int write, struct file *file, - void __user *buffer, size_t * len, loff_t *ppos) +static int pm_do_freq(ctl_table *ctl, int write, struct file *file, + void __user *buffer, size_t *len, loff_t *ppos) { int retval = 0, i; unsigned long val, pll; @@ -285,14 +279,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file, #define MAX_CPU_FREQ 396 char buf[TMPBUFLEN], *p; unsigned long flags, intc0_mask, intc1_mask; - unsigned long old_baud_base, old_cpu_freq, baud_rate, old_clk, - old_refresh; + unsigned long old_baud_base, old_cpu_freq, old_clk, old_refresh; unsigned long new_baud_base, new_cpu_freq, new_clk, new_refresh; + unsigned long baud_rate; spin_lock_irqsave(&pm_lock, flags); - if (!write) { + if (!write) *len = 0; - } else { + else { /* Parse the new frequency */ if (*len > TMPBUFLEN - 1) { spin_unlock_irqrestore(&pm_lock, flags); @@ -312,7 +306,7 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file, pll = val / 12; if ((pll > 33) || (pll < 7)) { /* 396 MHz max, 84 MHz min */ - /* revisit this for higher speed cpus */ + /* Revisit this for higher speed CPUs */ spin_unlock_irqrestore(&pm_lock, flags); return -EFAULT; } @@ -321,30 +315,28 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file, old_cpu_freq = get_au1x00_speed(); new_cpu_freq = pll * 12 * 1000000; - new_baud_base = (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16)); + new_baud_base = (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL) + & 0x03) + 2) * 16)); set_au1x00_speed(new_cpu_freq); set_au1x00_uart_baud_base(new_baud_base); old_refresh = au_readl(MEM_SDREFCFG) & 0x1ffffff; - new_refresh = - ((old_refresh * new_cpu_freq) / - old_cpu_freq) | (au_readl(MEM_SDREFCFG) & ~0x1ffffff); + new_refresh = ((old_refresh * new_cpu_freq) / old_cpu_freq) | + (au_readl(MEM_SDREFCFG) & ~0x1ffffff); au_writel(pll, SYS_CPUPLL); au_sync_delay(1); au_writel(new_refresh, MEM_SDREFCFG); au_sync_delay(1); - for (i = 0; i < 4; i++) { - if (au_readl - (UART_BASE + UART_MOD_CNTRL + - i * 0x00100000) == 3) { - old_clk = - au_readl(UART_BASE + UART_CLK + - i * 0x00100000); - // baud_rate = baud_base/clk + for (i = 0; i < 4; i++) + if (au_readl(UART_BASE + UART_MOD_CNTRL + + i * 0x00100000) == 3) { + old_clk = au_readl(UART_BASE + UART_CLK + + i * 0x00100000); baud_rate = old_baud_base / old_clk; - /* we won't get an exact baud rate and the error + /* + * We won't get an exact baud rate and the error * could be significant enough that our new * calculation will result in a clock that will * give us a baud rate that's too far off from @@ -359,18 +351,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file, else if (baud_rate > 17000) baud_rate = 19200; else - (baud_rate = 9600); - // new_clk = new_baud_base/baud_rate + baud_rate = 9600; new_clk = new_baud_base / baud_rate; - au_writel(new_clk, - UART_BASE + UART_CLK + - i * 0x00100000); + au_writel(new_clk, UART_BASE + UART_CLK + + i * 0x00100000); au_sync_delay(10); } - } } - /* * We don't want _any_ interrupts other than match20. Otherwise our * au1000_calibrate_delay() calculation will be off, potentially a lot. @@ -428,14 +416,15 @@ static int __init pm_init(void) __initcall(pm_init); - /* * This is right out of init/main.c */ -/* This is the number of bits of precision for the loops_per_jiffy. Each - bit takes on average 1.5/HZ seconds. This (like the original) is a little - better than 1% */ +/* + * This is the number of bits of precision for the loops_per_jiffy. + * Each bit takes on average 1.5/HZ seconds. This (like the original) + * is a little better than 1%. + */ #define LPS_PREC 8 static void au1000_calibrate_delay(void) @@ -443,14 +432,14 @@ static void au1000_calibrate_delay(void) unsigned long ticks, loopbit; int lps_precision = LPS_PREC; - loops_per_jiffy = (1 << 12); + loops_per_jiffy = 1 << 12; while (loops_per_jiffy <<= 1) { - /* wait for "start of" clock tick */ + /* Wait for "start of" clock tick */ ticks = jiffies; while (ticks == jiffies) /* nothing */ ; - /* Go .. */ + /* Go ... */ ticks = jiffies; __delay(loops_per_jiffy); ticks = jiffies - ticks; @@ -458,8 +447,10 @@ static void au1000_calibrate_delay(void) break; } -/* Do a binary approximation to get loops_per_jiffy set to equal one clock - (up to lps_precision bits) */ + /* + * Do a binary approximation to get loops_per_jiffy set to be equal + * one clock (up to lps_precision bits) + */ loops_per_jiffy >>= 1; loopbit = loops_per_jiffy; while (lps_precision-- && (loopbit >>= 1)) { @@ -472,4 +463,4 @@ static void au1000_calibrate_delay(void) loops_per_jiffy &= ~loopbit; } } -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM */ diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c index f10af829e4e..18b310b475c 100644 --- a/arch/mips/au1000/common/prom.c +++ b/arch/mips/au1000/common/prom.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * PROM library initialisation code, supports YAMON and U-Boot. * - * Copyright 2000, 2001, 2006 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000-2001, 2006, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This file was derived from Carsten Langgaard's * arch/mips/mips-boards/xx files. @@ -57,7 +56,7 @@ void prom_init_cmdline(void) actr = 1; /* Always ignore argv[0] */ cp = &(arcs_cmdline[0]); - while(actr < prom_argc) { + while (actr < prom_argc) { strcpy(cp, prom_argv[actr]); cp += strlen(prom_argv[actr]); *cp++ = ' '; @@ -84,10 +83,8 @@ char *prom_getenv(char *envname) if (yamon) { if (strcmp(envname, *env++) == 0) return *env; - } else { - if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=') - return *env + i + 1; - } + } else if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=') + return *env + i + 1; env++; } @@ -110,13 +107,13 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str) { int i; - for(i = 0; i < 6; i++) { + for (i = 0; i < 6; i++) { unsigned char num; - if((*str == '.') || (*str == ':')) + if ((*str == '.') || (*str == ':')) str++; - num = str2hexnum(*str++) << 4; - num |= (str2hexnum(*str++)); + num = str2hexnum(*str++) << 4; + num |= str2hexnum(*str++); ea[i] = num; } } diff --git a/arch/mips/au1000/common/puts.c b/arch/mips/au1000/common/puts.c index e34c67e8929..55bbe24d45b 100644 --- a/arch/mips/au1000/common/puts.c +++ b/arch/mips/au1000/common/puts.c @@ -1,11 +1,10 @@ /* * * BRIEF MODULE DESCRIPTION - * Low level uart routines to directly access a 16550 uart. + * Low level UART routines to directly access Alchemy UART. * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -40,12 +39,12 @@ static volatile unsigned long * const com1 = (unsigned long *)SERIAL_BASE; - #ifdef SLOW_DOWN static inline void slow_down(void) { - int k; - for (k=0; k<10000; k++); + int k; + + for (k = 0; k < 10000; k++); } #else #define slow_down() @@ -54,16 +53,16 @@ static inline void slow_down(void) void prom_putchar(const unsigned char c) { - unsigned char ch; - int i = 0; + unsigned char ch; + int i = 0; + + do { + ch = com1[SER_CMD]; + slow_down(); + i++; + if (i > TIMEOUT) + break; + } while (0 == (ch & TX_BUSY)); - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i>TIMEOUT) { - break; - } - } while (0 == (ch & TX_BUSY)); - com1[SER_DATA] = c; + com1[SER_DATA] = c; } diff --git a/arch/mips/au1000/common/reset.c b/arch/mips/au1000/common/reset.c index 60cec537c74..d555429c8d6 100644 --- a/arch/mips/au1000/common/reset.c +++ b/arch/mips/au1000/common/reset.c @@ -1,11 +1,10 @@ /* * * BRIEF MODULE DESCRIPTION - * Au1000 reset routines. + * Au1xx0 reset routines. * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2006, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -28,10 +27,11 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <asm/cacheflush.h> + #include <asm/mach-au1x00/au1000.h> extern int au_sleep(void); -extern void (*flush_cache_all)(void); void au1000_restart(char *command) { @@ -40,8 +40,8 @@ void au1000_restart(char *command) u32 prid = read_c0_prid(); printk(KERN_NOTICE "\n** Resetting Integrated Peripherals\n"); - switch (prid & 0xFF000000) - { + + switch (prid & 0xFF000000) { case 0x00000000: /* Au1000 */ au_writel(0x02, 0xb0000010); /* ac97_enable */ au_writel(0x08, 0xb017fffc); /* usbh_enable - early errata */ @@ -138,9 +138,6 @@ void au1000_restart(char *command) au_writel(0x00, 0xb1900064); /* sys_auxpll */ au_writel(0x00, 0xb1900100); /* sys_pininputen */ break; - - default: - break; } set_c0_status(ST0_BEV | ST0_ERL); @@ -158,25 +155,25 @@ void au1000_restart(char *command) void au1000_halt(void) { #if defined(CONFIG_MIPS_PB1550) || defined(CONFIG_MIPS_DB1550) - /* power off system */ - printk("\n** Powering off...\n"); - au_writew(au_readw(0xAF00001C) | (3<<14), 0xAF00001C); + /* Power off system */ + printk(KERN_NOTICE "\n** Powering off...\n"); + au_writew(au_readw(0xAF00001C) | (3 << 14), 0xAF00001C); au_sync(); - while(1); /* should not get here */ + while (1); /* should not get here */ #else printk(KERN_NOTICE "\n** You can safely turn off the power\n"); #ifdef CONFIG_MIPS_MIRAGE au_writel((1 << 26) | (1 << 10), GPIO2_OUTPUT); #endif #ifdef CONFIG_MIPS_DB1200 - au_writew(au_readw(0xB980001C) | (1<<14), 0xB980001C); + au_writew(au_readw(0xB980001C) | (1 << 14), 0xB980001C); #endif #ifdef CONFIG_PM au_sleep(); - /* should not get here */ - printk(KERN_ERR "Unable to put cpu in sleep mode\n"); - while(1); + /* Should not get here */ + printk(KERN_ERR "Unable to put CPU in sleep mode\n"); + while (1); #else while (1) __asm__(".set\tmips3\n\t" diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c index 0e86f7a6b4a..1ac6b06f42a 100644 --- a/arch/mips/au1000/common/setup.c +++ b/arch/mips/au1000/common/setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2007-2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com * * Updates to 2.6, Pete Popov, Embedded Alley Solutions, Inc. * @@ -48,7 +47,7 @@ void __init plat_mem_setup(void) { struct cpu_spec *sp; char *argptr; - unsigned long prid, cpufreq, bclk = 1; + unsigned long prid, cpufreq, bclk; set_cpuspec(); sp = cur_cpu_spec[0]; @@ -66,42 +65,39 @@ void __init plat_mem_setup(void) cpufreq = (au_readl(SYS_CPUPLL) & 0x3F) * 12; printk(KERN_INFO "(PRID %08lx) @ %ld MHz\n", prid, cpufreq); - bclk = sp->cpu_bclk; - if (bclk) - { + if (sp->cpu_bclk) { /* Enable BCLK switching */ - bclk = au_readl(0xB190003C); - au_writel(bclk | 0x60, 0xB190003C); - printk("BCLK switching enabled!\n"); + bclk = au_readl(SYS_POWERCTRL); + au_writel(bclk | 0x60, SYS_POWERCTRL); + printk(KERN_INFO "BCLK switching enabled!\n"); } - if (sp->cpu_od) { - /* Various early Au1000 Errata corrected by this */ - set_c0_config(1<<19); /* Set Config[OD] */ - } - else { + if (sp->cpu_od) + /* Various early Au1xx0 errata corrected by this */ + set_c0_config(1 << 19); /* Set Config[OD] */ + else /* Clear to obtain best system bus performance */ - clear_c0_config(1<<19); /* Clear Config[OD] */ - } + clear_c0_config(1 << 19); /* Clear Config[OD] */ argptr = prom_getcmdline(); #ifdef CONFIG_SERIAL_8250_CONSOLE - if ((argptr = strstr(argptr, "console=")) == NULL) { + argptr = strstr(argptr, "console="); + if (argptr == NULL) { argptr = prom_getcmdline(); strcat(argptr, " console=ttyS0,115200"); } #endif #ifdef CONFIG_FB_AU1100 - if ((argptr = strstr(argptr, "video=")) == NULL) { - argptr = prom_getcmdline(); - /* default panel */ - /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/ - } + argptr = strstr(argptr, "video="); + if (argptr == NULL) { + argptr = prom_getcmdline(); + /* default panel */ + /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/ + } #endif - #if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000) /* au1000 does not support vra, au1500 and au1100 do */ strcat(argptr, " au1000_audio=vra"); @@ -129,7 +125,7 @@ void __init plat_mem_setup(void) /* This routine should be valid for all Au1x based boards */ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size) { - /* Don't fixup 36 bit addresses */ + /* Don't fixup 36-bit addresses */ if ((phys_addr >> 32) != 0) return phys_addr; @@ -145,17 +141,17 @@ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size) } #endif - /* All Au1x SOCs have a pcmcia controller */ - /* We setup our 32 bit pseudo addresses to be equal to the - * 36 bit addr >> 4, to make it easier to check the address + /* + * All Au1xx0 SOCs have a PCMCIA controller. + * We setup our 32-bit pseudo addresses to be equal to the + * 36-bit addr >> 4, to make it easier to check the address * and fix it. - * The Au1x socket 0 phys attribute address is 0xF 4000 0000. + * The PCMCIA socket 0 physical attribute address is 0xF 4000 0000. * The pseudo address we use is 0xF400 0000. Any address over - * 0xF400 0000 is a pcmcia pseudo address. + * 0xF400 0000 is a PCMCIA pseudo address. */ - if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF)) { + if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF)) return (phys_t)(phys_addr << 4); - } /* default nop */ return phys_addr; diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c index bdb6d73b26f..563d9390a87 100644 --- a/arch/mips/au1000/common/time.c +++ b/arch/mips/au1000/common/time.c @@ -25,11 +25,9 @@ * * Setting up the clock on the MIPS boards. * - * Update. Always configure the kernel with CONFIG_NEW_TIME_C. This - * will use the user interface gettimeofday() functions from the - * arch/mips/kernel/time.c, and we provide the clock interrupt processing - * and the timer offset compute functions. If CONFIG_PM is selected, - * we also ensure the 32KHz timer is available. -- Dan + * We provide the clock interrupt processing and the timer offset compute + * functions. If CONFIG_PM is selected, we also ensure the 32KHz timer is + * available. -- Dan */ #include <linux/types.h> @@ -47,8 +45,7 @@ extern int allow_au1k_wait; /* default off for CP0 Counter */ #if HZ < 100 || HZ > 1000 #error "unsupported HZ value! Must be in [100,1000]" #endif -#define MATCH20_INC (328*100/HZ) /* magic number 328 is for HZ=100... */ -extern void startup_match20_interrupt(irq_handler_t handler); +#define MATCH20_INC (328 * 100 / HZ) /* magic number 328 is for HZ=100... */ static unsigned long last_pc0, last_match20; #endif @@ -61,7 +58,7 @@ static irqreturn_t counter0_irq(int irq, void *dev_id) { unsigned long pc0; int time_elapsed; - static int jiffie_drift = 0; + static int jiffie_drift; if (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20) { /* should never happen! */ @@ -70,13 +67,11 @@ static irqreturn_t counter0_irq(int irq, void *dev_id) } pc0 = au_readl(SYS_TOYREAD); - if (pc0 < last_match20) { + if (pc0 < last_match20) /* counter overflowed */ time_elapsed = (0xffffffff - last_match20) + pc0; - } - else { + else time_elapsed = pc0 - last_match20; - } while (time_elapsed > 0) { do_timer(1); @@ -92,8 +87,9 @@ static irqreturn_t counter0_irq(int irq, void *dev_id) au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2); au_sync(); - /* our counter ticks at 10.009765625 ms/tick, we we're running - * almost 10uS too slow per tick. + /* + * Our counter ticks at 10.009765625 ms/tick, we we're running + * almost 10 uS too slow per tick. */ if (jiffie_drift >= 999) { @@ -117,20 +113,17 @@ struct irqaction counter0_action = { /* When we wakeup from sleep, we have to "catch up" on all of the * timer ticks we have missed. */ -void -wakeup_counter0_adjust(void) +void wakeup_counter0_adjust(void) { unsigned long pc0; int time_elapsed; pc0 = au_readl(SYS_TOYREAD); - if (pc0 < last_match20) { + if (pc0 < last_match20) /* counter overflowed */ time_elapsed = (0xffffffff - last_match20) + pc0; - } - else { + else time_elapsed = pc0 - last_match20; - } while (time_elapsed > 0) { time_elapsed -= MATCH20_INC; @@ -143,10 +136,8 @@ wakeup_counter0_adjust(void) } -/* This is just for debugging to set the timer for a sleep delay. -*/ -void -wakeup_counter0_set(int ticks) +/* This is just for debugging to set the timer for a sleep delay. */ +void wakeup_counter0_set(int ticks) { unsigned long pc0; @@ -157,21 +148,22 @@ wakeup_counter0_set(int ticks) } #endif -/* I haven't found anyone that doesn't use a 12 MHz source clock, +/* + * I haven't found anyone that doesn't use a 12 MHz source clock, * but just in case..... */ #define AU1000_SRC_CLK 12000000 /* * We read the real processor speed from the PLL. This is important - * because it is more accurate than computing it from the 32KHz + * because it is more accurate than computing it from the 32 KHz * counter, if it exists. If we don't have an accurate processor * speed, all of the peripherals that derive their clocks based on * this advertised speed will introduce error and sometimes not work * properly. This function is futher convoluted to still allow configurations * to do that in case they have really, really old silicon with a - * write-only PLL register, that we need the 32KHz when power management - * "wait" is enabled, and we need to detect if the 32KHz isn't present + * write-only PLL register, that we need the 32 KHz when power management + * "wait" is enabled, and we need to detect if the 32 KHz isn't present * but requested......got it? :-) -- Dan */ unsigned long calc_clock(void) @@ -182,8 +174,7 @@ unsigned long calc_clock(void) spin_lock_irqsave(&time_lock, flags); - /* Power management cares if we don't have a 32KHz counter. - */ + /* Power management cares if we don't have a 32 KHz counter. */ no_au1xxx_32khz = 0; counter = au_readl(SYS_COUNTER_CNTRL); if (counter & SYS_CNTRL_E0) { @@ -193,7 +184,7 @@ unsigned long calc_clock(void) while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S); /* RTC now ticks at 32.768/16 kHz */ - au_writel(trim_divide-1, SYS_RTCTRIM); + au_writel(trim_divide - 1, SYS_RTCTRIM); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S); @@ -215,9 +206,11 @@ unsigned long calc_clock(void) #endif else cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) * AU1000_SRC_CLK; + /* On Alchemy CPU:counter ratio is 1:1 */ mips_hpt_frequency = cpu_speed; - // Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16) - set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16)); + /* Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16) */ + set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL) + & 0x03) + 2) * 16)); spin_unlock_irqrestore(&time_lock, flags); return cpu_speed; } @@ -228,10 +221,10 @@ void __init plat_time_init(void) est_freq += 5000; /* round */ est_freq -= est_freq%10000; - printk("CPU frequency %d.%02d MHz\n", est_freq/1000000, - (est_freq%1000000)*100/1000000); - set_au1x00_speed(est_freq); - set_au1x00_lcd_clock(); // program the LCD clock + printk(KERN_INFO "CPU frequency %u.%02u MHz\n", + est_freq / 1000000, ((est_freq % 1000000) * 100) / 1000000); + set_au1x00_speed(est_freq); + set_au1x00_lcd_clock(); /* program the LCD clock */ #ifdef CONFIG_PM /* @@ -243,30 +236,29 @@ void __init plat_time_init(void) * counter 0 interrupt as a special irq and it doesn't show * up under /proc/interrupts. * - * Check to ensure we really have a 32KHz oscillator before + * Check to ensure we really have a 32 KHz oscillator before * we do this. */ if (no_au1xxx_32khz) - printk("WARNING: no 32KHz clock found.\n"); + printk(KERN_WARNING "WARNING: no 32KHz clock found.\n"); else { while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S); au_writel(0, SYS_TOYWRITE); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S); - au_writel(au_readl(SYS_WAKEMSK) | (1<<8), SYS_WAKEMSK); + au_writel(au_readl(SYS_WAKEMSK) | (1 << 8), SYS_WAKEMSK); au_writel(~0, SYS_WAKESRC); au_sync(); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20); - /* setup match20 to interrupt once every HZ */ + /* Setup match20 to interrupt once every HZ */ last_pc0 = last_match20 = au_readl(SYS_TOYREAD); au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2); au_sync(); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20); setup_irq(AU1000_TOY_MATCH2_INT, &counter0_action); - /* We can use the real 'wait' instruction. - */ + /* We can use the real 'wait' instruction. */ allow_au1k_wait = 1; } diff --git a/arch/mips/au1000/db1x00/Makefile b/arch/mips/au1000/db1x00/Makefile index 51d62bd5d90..274db3b55d8 100644 --- a/arch/mips/au1000/db1x00/Makefile +++ b/arch/mips/au1000/db1x00/Makefile @@ -1,8 +1,8 @@ # -# Copyright 2000 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> +# +# Makefile for the Alchemy Semiconductor DBAu1xx0 boards. # -# Makefile for the Alchemy Semiconductor Db1x00 board. lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/db1x00/board_setup.c b/arch/mips/au1000/db1x00/board_setup.c index b7dcbad5c58..9e5ccbbfced 100644 --- a/arch/mips/au1000/db1x00/board_setup.c +++ b/arch/mips/au1000/db1x00/board_setup.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * Alchemy Db1x00 board setup. * - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -37,49 +36,49 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; void board_reset(void) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ + /* Hit BCSR.SW_RESET[RESET] */ bcsr->swreset = 0x0000; } void __init board_setup(void) { - u32 pin_func; + u32 pin_func = 0; - pin_func = 0; - /* not valid for 1550 */ - -#if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100)) - /* set IRFIRSEL instead of GPIO15 */ - pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8)); + /* Not valid for Au1550 */ +#if defined(CONFIG_IRDA) && \ + (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100)) + /* Set IRFIRSEL instead of GPIO15 */ + pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF; au_writel(pin_func, SYS_PINFUNC); - /* power off until the driver is in use */ + /* Power off until the driver is in use */ bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK; - bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF; + bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF; au_sync(); #endif bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */ #ifdef CONFIG_MIPS_MIRAGE - /* enable GPIO[31:0] inputs */ + /* Enable GPIO[31:0] inputs */ au_writel(0, SYS_PININPUTEN); - /* GPIO[20] is output, tristate the other input primary GPIO's */ - au_writel((u32)(~(1<<20)), SYS_TRIOUTCLR); + /* GPIO[20] is output, tristate the other input primary GPIOs */ + au_writel(~(1 << 20), SYS_TRIOUTCLR); - /* set GPIO[210:208] instead of SSI_0 */ - pin_func = au_readl(SYS_PINFUNC) | (u32)(1); + /* Set GPIO[210:208] instead of SSI_0 */ + pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0; - /* set GPIO[215:211] for LED's */ - pin_func |= (u32)((5<<2)); + /* Set GPIO[215:211] for LEDs */ + pin_func |= 5 << 2; - /* set GPIO[214:213] for more LED's */ - pin_func |= (u32)((5<<12)); + /* Set GPIO[214:213] for more LEDs */ + pin_func |= 5 << 12; - /* set GPIO[207:200] instead of PCMCIA/LCD */ - pin_func |= (u32)((3<<17)); + /* Set GPIO[207:200] instead of PCMCIA/LCD */ + pin_func |= SYS_PF_LCD | SYS_PF_PC; au_writel(pin_func, SYS_PINFUNC); - /* Enable speaker amplifier. This should + /* + * Enable speaker amplifier. This should * be part of the audio driver. */ au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR); @@ -89,21 +88,21 @@ void __init board_setup(void) au_sync(); #ifdef CONFIG_MIPS_DB1000 - printk("AMD Alchemy Au1000/Db1000 Board\n"); + printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n"); #endif #ifdef CONFIG_MIPS_DB1500 - printk("AMD Alchemy Au1500/Db1500 Board\n"); + printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n"); #endif #ifdef CONFIG_MIPS_DB1100 - printk("AMD Alchemy Au1100/Db1100 Board\n"); + printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n"); #endif #ifdef CONFIG_MIPS_BOSPORUS - printk("AMD Alchemy Bosporus Board\n"); + printk(KERN_INFO "AMD Alchemy Bosporus Board\n"); #endif #ifdef CONFIG_MIPS_MIRAGE - printk("AMD Alchemy Mirage Board\n"); + printk(KERN_INFO "AMD Alchemy Mirage Board\n"); #endif #ifdef CONFIG_MIPS_DB1550 - printk("AMD Alchemy Au1550/Db1550 Board\n"); + printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n"); #endif } diff --git a/arch/mips/au1000/db1x00/init.c b/arch/mips/au1000/db1x00/init.c index d3b967caf70..5ebe0de5e45 100644 --- a/arch/mips/au1000/db1x00/init.c +++ b/arch/mips/au1000/db1x00/init.c @@ -2,9 +2,8 @@ * BRIEF MODULE DESCRIPTION * PB1000 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -49,8 +48,8 @@ void __init prom_init(void) unsigned long memsize; prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); @@ -58,6 +57,6 @@ void __init prom_init(void) if (!memsize_str) memsize = 0x04000000; else - memsize = simple_strtol(memsize_str, NULL, 0); + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/db1x00/irqmap.c b/arch/mips/au1000/db1x00/irqmap.c index eaa50c7b634..94c090e8bf7 100644 --- a/arch/mips/au1000/db1x00/irqmap.c +++ b/arch/mips/au1000/db1x00/irqmap.c @@ -32,32 +32,32 @@ #ifdef CONFIG_MIPS_DB1500 char irq_tab_alchemy[][5] __initdata = { - [12] = { -1, INTA, INTX, INTX, INTX}, /* IDSEL 12 - HPT371 */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */ + [12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - HPT371 */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */ }; #endif #ifdef CONFIG_MIPS_BOSPORUS char irq_tab_alchemy[][5] __initdata = { - [11] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 11 - miniPCI */ - [12] = { -1, INTA, INTX, INTX, INTX}, /* IDSEL 12 - SN1741 */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */ + [11] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 11 - miniPCI */ + [12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - SN1741 */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */ }; #endif #ifdef CONFIG_MIPS_MIRAGE char irq_tab_alchemy[][5] __initdata = { - [11] = { -1, INTD, INTX, INTX, INTX}, /* IDSEL 11 - SMI VGX */ - [12] = { -1, INTX, INTX, INTC, INTX}, /* IDSEL 12 - PNX1300 */ - [13] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 13 - miniPCI */ + [11] = { -1, INTD, INTX, INTX, INTX }, /* IDSEL 11 - SMI VGX */ + [12] = { -1, INTX, INTX, INTC, INTX }, /* IDSEL 12 - PNX1300 */ + [13] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 13 - miniPCI */ }; #endif #ifdef CONFIG_MIPS_DB1550 char irq_tab_alchemy[][5] __initdata = { - [11] = { -1, INTC, INTX, INTX, INTX}, /* IDSEL 11 - on-board HPT371 */ - [12] = { -1, INTB, INTC, INTD, INTA}, /* IDSEL 12 - PCI slot 2 (left) */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot 1 (right) */ + [11] = { -1, INTC, INTX, INTX, INTX }, /* IDSEL 11 - on-board HPT371 */ + [12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */ }; #endif diff --git a/arch/mips/au1000/mtx-1/Makefile b/arch/mips/au1000/mtx-1/Makefile index 85a90941de4..7c67b3d33be 100644 --- a/arch/mips/au1000/mtx-1/Makefile +++ b/arch/mips/au1000/mtx-1/Makefile @@ -1,7 +1,6 @@ # # Copyright 2003 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Author: MontaVista Software, Inc. <source@mvista.com> # Bruno Randolf <bruno.randolf@4g-systems.biz> # # Makefile for 4G Systems MTX-1 board. diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c index 5736354829c..3f8079186cf 100644 --- a/arch/mips/au1000/mtx-1/board_setup.c +++ b/arch/mips/au1000/mtx-1/board_setup.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * 4G Systems MTX-1 board setup. * - * Copyright 2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * Bruno Randolf <bruno.randolf@4g-systems.biz> * * This program is free software; you can redistribute it and/or modify it @@ -34,7 +33,7 @@ #include <asm/mach-au1x00/au1000.h> extern int (*board_pci_idsel)(unsigned int devsel, int assert); -int mtx1_pci_idsel(unsigned int devsel, int assert); +int mtx1_pci_idsel(unsigned int devsel, int assert); void board_reset(void) { @@ -45,36 +44,36 @@ void board_reset(void) void __init board_setup(void) { #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - // enable USB power switch - au_writel( au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR ); - au_writel( 0x100000, GPIO2_OUTPUT ); + /* Enable USB power switch */ + au_writel(au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR); + au_writel(0x100000, GPIO2_OUTPUT); #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ #ifdef CONFIG_PCI #if defined(__MIPSEB__) - au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG); + au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); #else au_writel(0xf, Au1500_PCI_CFG); #endif #endif - // initialize sys_pinfunc: - au_writel( SYS_PF_NI2, SYS_PINFUNC ); + /* Initialize sys_pinfunc */ + au_writel(SYS_PF_NI2, SYS_PINFUNC); - // initialize GPIO - au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR ); - au_writel( 0x00000001, SYS_OUTPUTCLR ); // set M66EN (PCI 66MHz) to OFF - au_writel( 0x00000008, SYS_OUTPUTSET ); // set PCI CLKRUN# to OFF - au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON - au_writel( 0x00000020, SYS_OUTPUTCLR ); // set eth PHY TX_ER to OFF + /* Initialize GPIO */ + au_writel(0xFFFFFFFF, SYS_TRIOUTCLR); + au_writel(0x00000001, SYS_OUTPUTCLR); /* set M66EN (PCI 66MHz) to OFF */ + au_writel(0x00000008, SYS_OUTPUTSET); /* set PCI CLKRUN# to OFF */ + au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */ + au_writel(0x00000020, SYS_OUTPUTCLR); /* set eth PHY TX_ER to OFF */ - // enable LED and set it to green - au_writel( au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR ); - au_writel( 0x18000800, GPIO2_OUTPUT ); + /* Enable LED and set it to green */ + au_writel(au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR); + au_writel(0x18000800, GPIO2_OUTPUT); board_pci_idsel = mtx1_pci_idsel; - printk("4G Systems MTX-1 Board\n"); + printk(KERN_INFO "4G Systems MTX-1 Board\n"); } int @@ -82,20 +81,18 @@ mtx1_pci_idsel(unsigned int devsel, int assert) { #define MTX_IDSEL_ONLY_0_AND_3 0 #if MTX_IDSEL_ONLY_0_AND_3 - if (devsel != 0 && devsel != 3) { - printk("*** not 0 or 3\n"); - return 0; - } + if (devsel != 0 && devsel != 3) { + printk(KERN_ERR "*** not 0 or 3\n"); + return 0; + } #endif - if (assert && devsel != 0) { - // suppress signal to cardbus - au_writel( 0x00000002, SYS_OUTPUTCLR ); // set EXT_IO3 OFF - } - else { - au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON - } - au_sync_udelay(1); - return 1; + if (assert && devsel != 0) + /* Suppress signal to Cardbus */ + au_writel(0x00000002, SYS_OUTPUTCLR); /* set EXT_IO3 OFF */ + else + au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */ + au_sync_udelay(1); + return 1; } diff --git a/arch/mips/au1000/mtx-1/init.c b/arch/mips/au1000/mtx-1/init.c index c015cbce1cc..33a4aebe0cb 100644 --- a/arch/mips/au1000/mtx-1/init.c +++ b/arch/mips/au1000/mtx-1/init.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * 4G Systems MTX-1 board setup * - * Copyright 2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * Bruno Randolf <bruno.randolf@4g-systems.biz> * * This program is free software; you can redistribute it and/or modify it @@ -47,8 +46,8 @@ void __init prom_init(void) unsigned long memsize; prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); @@ -56,6 +55,6 @@ void __init prom_init(void) if (!memsize_str) memsize = 0x04000000; else - memsize = simple_strtol(memsize_str, NULL, 0); + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/mtx-1/irqmap.c b/arch/mips/au1000/mtx-1/irqmap.c index 78d70c42c9d..f2bf02951e9 100644 --- a/arch/mips/au1000/mtx-1/irqmap.c +++ b/arch/mips/au1000/mtx-1/irqmap.c @@ -31,18 +31,18 @@ #include <asm/mach-au1x00/au1000.h> char irq_tab_alchemy[][5] __initdata = { - [0] = { -1, INTA, INTA, INTX, INTX}, /* IDSEL 00 - AdapterA-Slot0 (top) */ - [1] = { -1, INTB, INTA, INTX, INTX}, /* IDSEL 01 - AdapterA-Slot1 (bottom) */ - [2] = { -1, INTC, INTD, INTX, INTX}, /* IDSEL 02 - AdapterB-Slot0 (top) */ - [3] = { -1, INTD, INTC, INTX, INTX}, /* IDSEL 03 - AdapterB-Slot1 (bottom) */ - [4] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 04 - AdapterC-Slot0 (top) */ - [5] = { -1, INTB, INTA, INTX, INTX}, /* IDSEL 05 - AdapterC-Slot1 (bottom) */ - [6] = { -1, INTC, INTD, INTX, INTX}, /* IDSEL 06 - AdapterD-Slot0 (top) */ - [7] = { -1, INTD, INTC, INTX, INTX}, /* IDSEL 07 - AdapterD-Slot1 (bottom) */ + [0] = { -1, INTA, INTA, INTX, INTX }, /* IDSEL 00 - AdapterA-Slot0 (top) */ + [1] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */ + [2] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 02 - AdapterB-Slot0 (top) */ + [3] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */ + [4] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 04 - AdapterC-Slot0 (top) */ + [5] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */ + [6] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 06 - AdapterD-Slot0 (top) */ + [7] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */ }; struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, diff --git a/arch/mips/au1000/mtx-1/platform.c b/arch/mips/au1000/mtx-1/platform.c index a7edbf0829a..9807be37c32 100644 --- a/arch/mips/au1000/mtx-1/platform.c +++ b/arch/mips/au1000/mtx-1/platform.c @@ -21,11 +21,10 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/leds.h> +#include <linux/gpio.h> #include <linux/gpio_keys.h> #include <linux/input.h> -#include <asm/gpio.h> - static struct gpio_keys_button mtx1_gpio_button[] = { { .gpio = 207, diff --git a/arch/mips/au1000/pb1000/Makefile b/arch/mips/au1000/pb1000/Makefile index daa1a507e72..99bbec0ca41 100644 --- a/arch/mips/au1000/pb1000/Makefile +++ b/arch/mips/au1000/pb1000/Makefile @@ -1,8 +1,8 @@ # -# Copyright 2000 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> +# +# Makefile for the Alchemy Semiconductor Pb1000 board. # -# Makefile for the Alchemy Semiconductor PB1000 board. lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1000/board_setup.c b/arch/mips/au1000/pb1000/board_setup.c index 33f15acc1b1..25df167a95b 100644 --- a/arch/mips/au1000/pb1000/board_setup.c +++ b/arch/mips/au1000/pb1000/board_setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -40,128 +39,126 @@ void __init board_setup(void) u32 sys_freqctrl, sys_clksrc; u32 prid = read_c0_prid(); - // set AUX clock to 12MHz * 8 = 96 MHz + /* Set AUX clock to 12 MHz * 8 = 96 MHz */ au_writel(8, SYS_AUXPLL); au_writel(0, SYS_PINSTATERD); udelay(100); #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - /* zero and disable FREQ2 */ + /* Zero and disable FREQ2 */ sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; au_writel(sys_freqctrl, SYS_FREQCTRL0); - /* zero and disable USBH/USBD clocks */ + /* Zero and disable USBH/USBD clocks */ sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x00007FE0; + sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | + SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); au_writel(sys_clksrc, SYS_CLKSRC); sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x00007FE0; + sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | + SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); - switch (prid & 0x000000FF) - { + switch (prid & 0x000000FF) { case 0x00: /* DA */ case 0x01: /* HA */ case 0x02: /* HB */ - /* CPU core freq to 48MHz to slow it way down... */ - au_writel(4, SYS_CPUPLL); + /* CPU core freq to 48 MHz to slow it way down... */ + au_writel(4, SYS_CPUPLL); - /* - * Setup 48MHz FREQ2 from CPUPLL for USB Host - */ - /* FRDIV2=3 -> div by 8 of 384MHz -> 48MHz */ - sys_freqctrl |= ((3<<22) | (1<<21) | (0<<20)); - au_writel(sys_freqctrl, SYS_FREQCTRL0); + /* + * Setup 48 MHz FREQ2 from CPUPLL for USB Host + * FRDIV2 = 3 -> div by 8 of 384 MHz -> 48 MHz + */ + sys_freqctrl |= (3 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2; + au_writel(sys_freqctrl, SYS_FREQCTRL0); - /* CPU core freq to 384MHz */ - au_writel(0x20, SYS_CPUPLL); + /* CPU core freq to 384 MHz */ + au_writel(0x20, SYS_CPUPLL); - printk("Au1000: 48MHz OHCI workaround enabled\n"); + printk(KERN_INFO "Au1000: 48 MHz OHCI workaround enabled\n"); break; - default: /* HC and newer */ - // FREQ2 = aux/2 = 48 MHz - sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20)); - au_writel(sys_freqctrl, SYS_FREQCTRL0); + default: /* HC and newer */ + /* FREQ2 = aux / 2 = 48 MHz */ + sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | + SYS_FC_FE2 | SYS_FC_FS2; + au_writel(sys_freqctrl, SYS_FREQCTRL0); break; } /* - * Route 48MHz FREQ2 into USB Host and/or Device + * Route 48 MHz FREQ2 into USB Host and/or Device */ -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - sys_clksrc |= ((4<<12) | (0<<11) | (0<<10)); -#endif + sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT; au_writel(sys_clksrc, SYS_CLKSRC); - // configure pins GPIO[14:9] as GPIO - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8080); + /* Configure pins GPIO[14:9] as GPIO */ + pin_func = au_readl(SYS_PINFUNC) & ~(SYS_PF_UR3 | SYS_PF_USB); - // 2nd USB port is USB host - pin_func |= 0x8000; + /* 2nd USB port is USB host */ + pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); au_writel(0x2800, SYS_TRIOUTCLR); au_writel(0x0030, SYS_OUTPUTCLR); #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ - // make gpio 15 an input (for interrupt line) - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x100); - // we don't need I2S, so make it available for GPIO[31:29] - pin_func |= (1<<5); + /* Make GPIO 15 an input (for interrupt line) */ + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_IRF; + /* We don't need I2S, so make it available for GPIO[31:29] */ + pin_func |= SYS_PF_I2S; au_writel(pin_func, SYS_PINFUNC); au_writel(0x8000, SYS_TRIOUTCLR); - static_cfg0 = au_readl(MEM_STCFG0) & (u32)(~0xc00); + static_cfg0 = au_readl(MEM_STCFG0) & ~0xc00; au_writel(static_cfg0, MEM_STCFG0); - // configure RCE2* for LCD + /* configure RCE2* for LCD */ au_writel(0x00000004, MEM_STCFG2); - // MEM_STTIME2 + /* MEM_STTIME2 */ au_writel(0x09000000, MEM_STTIME2); - // Set 32-bit base address decoding for RCE2* + /* Set 32-bit base address decoding for RCE2* */ au_writel(0x10003ff0, MEM_STADDR2); - // PCI CPLD setup - // expand CE0 to cover PCI + /* + * PCI CPLD setup + * Expand CE0 to cover PCI + */ au_writel(0x11803e40, MEM_STADDR1); - // burst visibility on + /* Burst visibility on */ au_writel(au_readl(MEM_STCFG0) | 0x1000, MEM_STCFG0); - au_writel(0x83, MEM_STCFG1); // ewait enabled, flash timing - au_writel(0x33030a10, MEM_STTIME1); // slower timing for FPGA + au_writel(0x83, MEM_STCFG1); /* ewait enabled, flash timing */ + au_writel(0x33030a10, MEM_STTIME1); /* slower timing for FPGA */ - /* setup the static bus controller */ + /* Setup the static bus controller */ au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */ au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */ au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */ -#ifdef CONFIG_PCI - au_writel(0, PCI_BRIDGE_CONFIG); // set extend byte to 0 - au_writel(0, SDRAM_MBAR); // set mbar to 0 - au_writel(0x2, SDRAM_CMD); // enable memory accesses - au_sync_delay(1); -#endif - - /* Enable Au1000 BCLK switching - note: sed1356 must not use - * its BCLK (Au1000 LCLK) for any timings */ - switch (prid & 0x000000FF) - { + /* + * Enable Au1000 BCLK switching - note: sed1356 must not use + * its BCLK (Au1000 LCLK) for any timings + */ + switch (prid & 0x000000FF) { case 0x00: /* DA */ case 0x01: /* HA */ case 0x02: /* HB */ break; default: /* HC and newer */ - /* Enable sys bus clock divider when IDLE state or no bus - activity. */ + /* + * Enable sys bus clock divider when IDLE state or no bus + * activity. + */ au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL); break; } diff --git a/arch/mips/au1000/pb1000/init.c b/arch/mips/au1000/pb1000/init.c index 549447df71d..3837365d613 100644 --- a/arch/mips/au1000/pb1000/init.c +++ b/arch/mips/au1000/pb1000/init.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * PB1000 board setup + * Pb1000 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -44,16 +43,15 @@ void __init prom_init(void) unsigned char *memsize_str; unsigned long memsize; - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); memsize_str = prom_getenv("memsize"); - if (!memsize_str) { + if (!memsize_str) memsize = 0x04000000; - } else { - memsize = simple_strtol(memsize_str, NULL, 0); - } + else + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1100/Makefile b/arch/mips/au1000/pb1100/Makefile index 996236df637..793e97c49e4 100644 --- a/arch/mips/au1000/pb1100/Makefile +++ b/arch/mips/au1000/pb1100/Makefile @@ -1,8 +1,8 @@ # -# Copyright 2000,2001 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2001, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> # # Makefile for the Alchemy Semiconductor Pb1100 board. +# lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1100/board_setup.c b/arch/mips/au1000/pb1100/board_setup.c index 656164c8e9c..c0bfd59a7a3 100644 --- a/arch/mips/au1000/pb1100/board_setup.c +++ b/arch/mips/au1000/pb1100/board_setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2002 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2002, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -32,15 +31,15 @@ void board_reset(void) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ - au_writel(0x00000000, 0xAE00001C); + /* Hit BCSR.RST_VDDI[SOFT_RESET] */ + au_writel(0x00000000, PB1100_RST_VDDI); } void __init board_setup(void) { - volatile void __iomem * base = (volatile void __iomem *) 0xac000000UL; + volatile void __iomem *base = (volatile void __iomem *)0xac000000UL; - // set AUX clock to 12MHz * 8 = 96 MHz + /* Set AUX clock to 12 MHz * 8 = 96 MHz */ au_writel(8, SYS_AUXPLL); au_writel(0, SYS_PININPUTEN); udelay(100); @@ -49,44 +48,47 @@ void __init board_setup(void) { u32 pin_func, sys_freqctrl, sys_clksrc; - // configure pins GPIO[14:9] as GPIO - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x80); + /* Configure pins GPIO[14:9] as GPIO */ + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3; - /* zero and disable FREQ2 */ + /* Zero and disable FREQ2 */ sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; au_writel(sys_freqctrl, SYS_FREQCTRL0); - /* zero and disable USBH/USBD/IrDA clock */ + /* Zero and disable USBH/USBD/IrDA clock */ sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x0000001F; + sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK); au_writel(sys_clksrc, SYS_CLKSRC); sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x0000001F; + sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK); - // FREQ2 = aux/2 = 48 MHz - sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20)); + /* FREQ2 = aux / 2 = 48 MHz */ + sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | + SYS_FC_FE2 | SYS_FC_FS2; au_writel(sys_freqctrl, SYS_FREQCTRL0); /* - * Route 48MHz FREQ2 into USBH/USBD/IrDA + * Route 48 MHz FREQ2 into USBH/USBD/IrDA */ - sys_clksrc |= ((4<<2) | (0<<1) | 0 ); + sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MIR_BIT; au_writel(sys_clksrc, SYS_CLKSRC); - /* setup the static bus controller */ + /* Setup the static bus controller */ au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */ au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */ au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */ - // get USB Functionality pin state (device vs host drive pins) - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000); - // 2nd USB port is USB host - pin_func |= 0x8000; + /* + * Get USB Functionality pin state (device vs host drive pins). + */ + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB; + /* 2nd USB port is USB host. */ + pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); } #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ @@ -94,12 +96,12 @@ void __init board_setup(void) /* Enable sys bus clock divider when IDLE state or no bus activity. */ au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL); - // Enable the RTC if not already enabled + /* Enable the RTC if not already enabled. */ if (!(readb(base + 0x28) & 0x20)) { writeb(readb(base + 0x28) | 0x20, base + 0x28); au_sync(); } - // Put the clock in BCD mode + /* Put the clock in BCD mode. */ if (readb(base + 0x2C) & 0x4) { /* reg B */ writeb(readb(base + 0x2c) & ~0x4, base + 0x2c); au_sync(); diff --git a/arch/mips/au1000/pb1100/init.c b/arch/mips/au1000/pb1100/init.c index c91344648ed..8355483f3de 100644 --- a/arch/mips/au1000/pb1100/init.c +++ b/arch/mips/au1000/pb1100/init.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * Pb1100 board setup * - * Copyright 2002 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2002, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -46,8 +45,8 @@ void __init prom_init(void) unsigned long memsize; prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg3; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg3; prom_init_cmdline(); @@ -55,7 +54,7 @@ void __init prom_init(void) if (!memsize_str) memsize = 0x04000000; else - memsize = simple_strtol(memsize_str, NULL, 0); + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1100/irqmap.c b/arch/mips/au1000/pb1100/irqmap.c index b5021e3d477..9b7dd8b4128 100644 --- a/arch/mips/au1000/pb1100/irqmap.c +++ b/arch/mips/au1000/pb1100/irqmap.c @@ -1,6 +1,6 @@ /* * BRIEF MODULE DESCRIPTION - * Au1xxx irq map table + * Au1xx0 IRQ map table * * Copyright 2003 Embedded Edge, LLC * dan@embeddededge.com @@ -31,10 +31,10 @@ #include <asm/mach-au1x00/au1000.h> struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card Fully_Interted# - { AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card STSCHG# - { AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card IRQ# - { AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, // DC_IRQ# + { AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card Fully_Inserted# */ + { AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card STSCHG# */ + { AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card IRQ# */ + { AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, /* DC_IRQ# */ }; int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); diff --git a/arch/mips/au1000/pb1200/Makefile b/arch/mips/au1000/pb1200/Makefile index 4fe02ea65a6..d678adf7ce8 100644 --- a/arch/mips/au1000/pb1200/Makefile +++ b/arch/mips/au1000/pb1200/Makefile @@ -1,5 +1,5 @@ # -# Makefile for the Alchemy Semiconductor PB1200 board. +# Makefile for the Alchemy Semiconductor Pb1200/DBAu1200 boards. # lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1200/board_setup.c b/arch/mips/au1000/pb1200/board_setup.c index 4493a792cc4..6cb2115059a 100644 --- a/arch/mips/au1000/pb1200/board_setup.c +++ b/arch/mips/au1000/pb1200/board_setup.c @@ -27,16 +27,8 @@ #include <linux/init.h> #include <linux/sched.h> -#include <au1000.h> #include <prom.h> - -#ifdef CONFIG_MIPS_PB1200 -#include <asm/mach-pb1x00/pb1200.h> -#endif - -#ifdef CONFIG_MIPS_DB1200 -#include <asm/mach-db1x00/db1200.h> -#endif +#include <au1xxx.h> extern void _board_init_irq(void); extern void (*board_init_irq)(void); @@ -53,56 +45,57 @@ void __init board_setup(void) #if 0 { - u32 pin_func; - - /* Enable PSC1 SYNC for AC97. Normaly done in audio driver, - * but it is board specific code, so put it here. - */ - pin_func = au_readl(SYS_PINFUNC); - au_sync(); - pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; - au_writel(pin_func, SYS_PINFUNC); - - au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */ - au_sync(); + u32 pin_func; + + /* + * Enable PSC1 SYNC for AC97. Normaly done in audio driver, + * but it is board specific code, so put it here. + */ + pin_func = au_readl(SYS_PINFUNC); + au_sync(); + pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; + au_writel(pin_func, SYS_PINFUNC); + + au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */ + au_sync(); } #endif #if defined(CONFIG_I2C_AU1550) { - u32 freq0, clksrc; - u32 pin_func; - - /* Select SMBUS in CPLD */ - bcsr->resets &= ~(BCSR_RESETS_PCS0MUX); - - pin_func = au_readl(SYS_PINFUNC); - au_sync(); - pin_func &= ~(3<<17 | 1<<4); - /* Set GPIOs correctly */ - pin_func |= 2<<17; - au_writel(pin_func, SYS_PINFUNC); - au_sync(); - - /* The i2c driver depends on 50Mhz clock */ - freq0 = au_readl(SYS_FREQCTRL0); - au_sync(); - freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1); - freq0 |= (3<<SYS_FC_FRDIV1_BIT); - /* 396Mhz / (3+1)*2 == 49.5Mhz */ - au_writel(freq0, SYS_FREQCTRL0); - au_sync(); - freq0 |= SYS_FC_FE1; - au_writel(freq0, SYS_FREQCTRL0); - au_sync(); - - clksrc = au_readl(SYS_CLKSRC); - au_sync(); - clksrc &= ~0x01f00000; - /* bit 22 is EXTCLK0 for PSC0 */ - clksrc |= (0x3 << 22); - au_writel(clksrc, SYS_CLKSRC); - au_sync(); + u32 freq0, clksrc; + u32 pin_func; + + /* Select SMBus in CPLD */ + bcsr->resets &= ~BCSR_RESETS_PCS0MUX; + + pin_func = au_readl(SYS_PINFUNC); + au_sync(); + pin_func &= ~(SYS_PINFUNC_P0A | SYS_PINFUNC_P0B); + /* Set GPIOs correctly */ + pin_func |= 2 << 17; + au_writel(pin_func, SYS_PINFUNC); + au_sync(); + + /* The I2C driver depends on 50 MHz clock */ + freq0 = au_readl(SYS_FREQCTRL0); + au_sync(); + freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1); + freq0 |= 3 << SYS_FC_FRDIV1_BIT; + /* 396 MHz / (3 + 1) * 2 == 49.5 MHz */ + au_writel(freq0, SYS_FREQCTRL0); + au_sync(); + freq0 |= SYS_FC_FE1; + au_writel(freq0, SYS_FREQCTRL0); + au_sync(); + + clksrc = au_readl(SYS_CLKSRC); + au_sync(); + clksrc &= ~(SYS_CS_CE0 | SYS_CS_DE0 | SYS_CS_ME0_MASK); + /* Bit 22 is EXTCLK0 for PSC0 */ + clksrc |= SYS_CS_MUX_FQ1 << SYS_CS_ME0_BIT; + au_writel(clksrc, SYS_CLKSRC); + au_sync(); } #endif @@ -116,27 +109,27 @@ void __init board_setup(void) #endif #endif - /* The Pb1200 development board uses external MUX for PSC0 to - support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI - */ + /* + * The Pb1200 development board uses external MUX for PSC0 to + * support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI + */ #ifdef CONFIG_I2C_AU1550 - bcsr->resets &= (~BCSR_RESETS_PCS0MUX); + bcsr->resets &= ~BCSR_RESETS_PCS0MUX; #endif au_sync(); #ifdef CONFIG_MIPS_PB1200 - printk("AMD Alchemy Pb1200 Board\n"); + printk(KERN_INFO "AMD Alchemy Pb1200 Board\n"); #endif #ifdef CONFIG_MIPS_DB1200 - printk("AMD Alchemy Db1200 Board\n"); + printk(KERN_INFO "AMD Alchemy Db1200 Board\n"); #endif /* Setup Pb1200 External Interrupt Controller */ board_init_irq = _board_init_irq; } -int -board_au1200fb_panel(void) +int board_au1200fb_panel(void) { BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; int p; @@ -147,23 +140,23 @@ board_au1200fb_panel(void) return p; } -int -board_au1200fb_panel_init(void) +int board_au1200fb_panel_init(void) { /* Apply power */ - BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; - bcsr->board |= (BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL); - /*printk("board_au1200fb_panel_init()\n"); */ + BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; + + bcsr->board |= BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL; + /* printk(KERN_DEBUG "board_au1200fb_panel_init()\n"); */ return 0; } -int -board_au1200fb_panel_shutdown(void) +int board_au1200fb_panel_shutdown(void) { /* Remove power */ - BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; - bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL); - /*printk("board_au1200fb_panel_shutdown()\n"); */ + BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; + + bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | + BCSR_BOARD_LCDBL); + /* printk(KERN_DEBUG "board_au1200fb_panel_shutdown()\n"); */ return 0; } - diff --git a/arch/mips/au1000/pb1200/init.c b/arch/mips/au1000/pb1200/init.c index 72af5500660..09fd63b8606 100644 --- a/arch/mips/au1000/pb1200/init.c +++ b/arch/mips/au1000/pb1200/init.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * PB1200 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -45,16 +44,15 @@ void __init prom_init(void) unsigned char *memsize_str; unsigned long memsize; - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); memsize_str = prom_getenv("memsize"); - if (!memsize_str) { + if (!memsize_str) memsize = 0x08000000; - } else { - memsize = simple_strtol(memsize_str, NULL, 0); - } + else + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c index e61eb8e0b76..2a505ad8715 100644 --- a/arch/mips/au1000/pb1200/irqmap.c +++ b/arch/mips/au1000/pb1200/irqmap.c @@ -39,25 +39,25 @@ #endif struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, // This is exteranl interrupt cascade + /* This is external interrupt cascade */ + { AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, }; int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); /* - * Support for External interrupts on the PbAu1200 Development platform. + * Support for External interrupts on the Pb1200 Development platform. */ -static volatile int pb1200_cascade_en=0; +static volatile int pb1200_cascade_en; -irqreturn_t pb1200_cascade_handler( int irq, void *dev_id) +irqreturn_t pb1200_cascade_handler(int irq, void *dev_id) { unsigned short bisr = bcsr->int_status; int extirq_nr = 0; - /* Clear all the edge interrupts. This has no effect on level */ + /* Clear all the edge interrupts. This has no effect on level. */ bcsr->int_status = bisr; - for( ; bisr; bisr &= (bisr-1) ) - { + for ( ; bisr; bisr &= bisr - 1) { extirq_nr = PB1200_INT_BEGIN + __ffs(bisr); /* Ack and dispatch IRQ */ do_IRQ(extirq_nr); @@ -68,26 +68,20 @@ irqreturn_t pb1200_cascade_handler( int irq, void *dev_id) inline void pb1200_enable_irq(unsigned int irq_nr) { - bcsr->intset_mask = 1<<(irq_nr - PB1200_INT_BEGIN); - bcsr->intset = 1<<(irq_nr - PB1200_INT_BEGIN); + bcsr->intset_mask = 1 << (irq_nr - PB1200_INT_BEGIN); + bcsr->intset = 1 << (irq_nr - PB1200_INT_BEGIN); } inline void pb1200_disable_irq(unsigned int irq_nr) { - bcsr->intclr_mask = 1<<(irq_nr - PB1200_INT_BEGIN); - bcsr->intclr = 1<<(irq_nr - PB1200_INT_BEGIN); + bcsr->intclr_mask = 1 << (irq_nr - PB1200_INT_BEGIN); + bcsr->intclr = 1 << (irq_nr - PB1200_INT_BEGIN); } static unsigned int pb1200_setup_cascade(void) { - int err; - - err = request_irq(AU1000_GPIO_7, &pb1200_cascade_handler, - 0, "Pb1200 Cascade", &pb1200_cascade_handler); - if (err) - return err; - - return 0; + return request_irq(AU1000_GPIO_7, &pb1200_cascade_handler, + 0, "Pb1200 Cascade", &pb1200_cascade_handler); } static unsigned int pb1200_startup_irq(unsigned int irq) @@ -132,23 +126,23 @@ void _board_init_irq(void) unsigned int irq; #ifdef CONFIG_MIPS_PB1200 - /* We have a problem with CPLD rev3. Enable a workaround */ + /* We have a problem with CPLD rev 3. */ if (((bcsr->whoami & BCSR_WHOAMI_CPLD) >> 4) <= 3) { - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("Pb1200 must be at CPLD rev4. Please have Pb1200\n"); - printk("updated to latest revision. This software will not\n"); - printk("work on anything less than CPLD rev4\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "Pb1200 must be at CPLD rev 4. Please have Pb1200\n"); + printk(KERN_ERR "updated to latest revision. This software will\n"); + printk(KERN_ERR "not work on anything less than CPLD rev 4.\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); panic("Game over. Your score is 0."); } #endif @@ -161,6 +155,6 @@ void _board_init_irq(void) /* * GPIO_7 can not be hooked here, so it is hooked upon first - * request of any source attached to the cascade + * request of any source attached to the cascade. */ } diff --git a/arch/mips/au1000/pb1500/Makefile b/arch/mips/au1000/pb1500/Makefile index 97a730813cd..602f38df20b 100644 --- a/arch/mips/au1000/pb1500/Makefile +++ b/arch/mips/au1000/pb1500/Makefile @@ -1,8 +1,8 @@ # -# Copyright 2000,2001 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2001, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> # # Makefile for the Alchemy Semiconductor Pb1500 board. +# lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1500/board_setup.c b/arch/mips/au1000/pb1500/board_setup.c index 24c652e8ec4..035771c6e5b 100644 --- a/arch/mips/au1000/pb1500/board_setup.c +++ b/arch/mips/au1000/pb1500/board_setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -32,8 +31,8 @@ void board_reset(void) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ - au_writel(0x00000000, 0xAE00001C); + /* Hit BCSR.RST_VDDI[SOFT_RESET] */ + au_writel(0x00000000, PB1500_RST_VDDI); } void __init board_setup(void) @@ -42,7 +41,7 @@ void __init board_setup(void) u32 sys_freqctrl, sys_clksrc; sys_clksrc = sys_freqctrl = pin_func = 0; - // set AUX clock to 12MHz * 8 = 96 MHz + /* Set AUX clock to 12 MHz * 8 = 96 MHz */ au_writel(8, SYS_AUXPLL); au_writel(0, SYS_PINSTATERD); udelay(100); @@ -51,51 +50,48 @@ void __init board_setup(void) /* GPIO201 is input for PCMCIA card detect */ /* GPIO203 is input for PCMCIA interrupt request */ - au_writel(au_readl(GPIO2_DIR) & (u32)(~((1<<1)|(1<<3))), GPIO2_DIR); + au_writel(au_readl(GPIO2_DIR) & ~((1 << 1) | (1 << 3)), GPIO2_DIR); - /* zero and disable FREQ2 */ + /* Zero and disable FREQ2 */ sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; au_writel(sys_freqctrl, SYS_FREQCTRL0); /* zero and disable USBH/USBD clocks */ sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x00007FE0; + sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | + SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); au_writel(sys_clksrc, SYS_CLKSRC); sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x00007FE0; + sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | + SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); - // FREQ2 = aux/2 = 48 MHz - sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20)); + /* FREQ2 = aux/2 = 48 MHz */ + sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2 | SYS_FC_FS2; au_writel(sys_freqctrl, SYS_FREQCTRL0); /* * Route 48MHz FREQ2 into USB Host and/or Device */ -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - sys_clksrc |= ((4<<12) | (0<<11) | (0<<10)); -#endif + sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT; au_writel(sys_clksrc, SYS_CLKSRC); - - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000); - // 2nd USB port is USB host - pin_func |= 0x8000; + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB; + /* 2nd USB port is USB host */ + pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ - - #ifdef CONFIG_PCI - // Setup PCI bus controller + /* Setup PCI bus controller */ au_writel(0, Au1500_PCI_CMEM); au_writel(0x00003fff, Au1500_CFG_BASE); #if defined(__MIPSEB__) - au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG); + au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); #else au_writel(0xf, Au1500_PCI_CFG); #endif @@ -112,11 +108,11 @@ void __init board_setup(void) /* Enable the RTC if not already enabled */ if (!(au_readl(0xac000028) & 0x20)) { - printk("enabling clock ...\n"); + printk(KERN_INFO "enabling clock ...\n"); au_writel((au_readl(0xac000028) | 0x20), 0xac000028); } /* Put the clock in BCD mode */ - if (au_readl(0xac00002C) & 0x4) { /* reg B */ + if (au_readl(0xac00002c) & 0x4) { /* reg B */ au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c); au_sync(); } diff --git a/arch/mips/au1000/pb1500/init.c b/arch/mips/au1000/pb1500/init.c index 488507c07db..49f51e16586 100644 --- a/arch/mips/au1000/pb1500/init.c +++ b/arch/mips/au1000/pb1500/init.c @@ -1,11 +1,10 @@ /* * * BRIEF MODULE DESCRIPTION - * PB1500 board setup + * Pb1500 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -45,16 +44,15 @@ void __init prom_init(void) unsigned char *memsize_str; unsigned long memsize; - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); memsize_str = prom_getenv("memsize"); - if (!memsize_str) { + if (!memsize_str) memsize = 0x04000000; - } else { - memsize = simple_strtol(memsize_str, NULL, 0); - } + else + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1500/irqmap.c b/arch/mips/au1000/pb1500/irqmap.c index 4817ab44d07..39c4682766a 100644 --- a/arch/mips/au1000/pb1500/irqmap.c +++ b/arch/mips/au1000/pb1500/irqmap.c @@ -31,12 +31,12 @@ #include <asm/mach-au1x00/au1000.h> char irq_tab_alchemy[][5] __initdata = { - [12] = { -1, INTA, INTX, INTX, INTX}, /* IDSEL 12 - HPT370 */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */ + [12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - HPT370 */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */ }; struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, diff --git a/arch/mips/au1000/pb1550/Makefile b/arch/mips/au1000/pb1550/Makefile index aa35bc6cb8c..7d8beca87fa 100644 --- a/arch/mips/au1000/pb1550/Makefile +++ b/arch/mips/au1000/pb1550/Makefile @@ -1,9 +1,8 @@ # -# Copyright 2000 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> # -# Makefile for the Alchemy Semiconductor PB1000 board. +# Makefile for the Alchemy Semiconductor Pb1550 board. # lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1550/board_setup.c b/arch/mips/au1000/pb1550/board_setup.c index 45d60872b56..0ed76b64b6a 100644 --- a/arch/mips/au1000/pb1550/board_setup.c +++ b/arch/mips/au1000/pb1550/board_setup.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * Alchemy Pb1550 board setup. * - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -35,15 +34,16 @@ void board_reset(void) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ - au_writew(au_readw(0xAF00001C) & ~(1<<15), 0xAF00001C); + /* Hit BCSR.SYSTEM[RESET] */ + au_writew(au_readw(0xAF00001C) & ~BCSR_SYSTEM_RESET, 0xAF00001C); } void __init board_setup(void) { u32 pin_func; - /* Enable PSC1 SYNC for AC97. Normaly done in audio driver, + /* + * Enable PSC1 SYNC for AC'97. Normaly done in audio driver, * but it is board specific code, so put it here. */ pin_func = au_readl(SYS_PINFUNC); @@ -51,8 +51,8 @@ void __init board_setup(void) pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; au_writel(pin_func, SYS_PINFUNC); - au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */ + au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */ au_sync(); - printk("AMD Alchemy Pb1550 Board\n"); + printk(KERN_INFO "AMD Alchemy Pb1550 Board\n"); } diff --git a/arch/mips/au1000/pb1550/init.c b/arch/mips/au1000/pb1550/init.c index f6b2fc58798..1b5f58434bb 100644 --- a/arch/mips/au1000/pb1550/init.c +++ b/arch/mips/au1000/pb1550/init.c @@ -1,11 +1,10 @@ /* * * BRIEF MODULE DESCRIPTION - * PB1550 board setup + * Pb1550 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -45,16 +44,15 @@ void __init prom_init(void) unsigned char *memsize_str; unsigned long memsize; - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); memsize_str = prom_getenv("memsize"); - if (!memsize_str) { + if (!memsize_str) memsize = 0x08000000; - } else { - memsize = simple_strtol(memsize_str, NULL, 0); - } + else + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1550/irqmap.c b/arch/mips/au1000/pb1550/irqmap.c index e1dac37af08..a02a4d1fa89 100644 --- a/arch/mips/au1000/pb1550/irqmap.c +++ b/arch/mips/au1000/pb1550/irqmap.c @@ -1,6 +1,6 @@ /* * BRIEF MODULE DESCRIPTION - * Au1xxx irq map table + * Au1xx0 IRQ map table * * Copyright 2003 Embedded Edge, LLC * dan@embeddededge.com @@ -31,8 +31,8 @@ #include <asm/mach-au1x00/au1000.h> char irq_tab_alchemy[][5] __initdata = { - [12] = { -1, INTB, INTC, INTD, INTA}, /* IDSEL 12 - PCI slot 2 (left) */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot 1 (right) */ + [12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */ }; struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { diff --git a/arch/mips/au1000/xxs1500/Makefile b/arch/mips/au1000/xxs1500/Makefile index 44d7f7056ae..db3c526f64d 100644 --- a/arch/mips/au1000/xxs1500/Makefile +++ b/arch/mips/au1000/xxs1500/Makefile @@ -1,7 +1,6 @@ # # Copyright 2003 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Author: MontaVista Software, Inc. <source@mvista.com> # # Makefile for MyCable XXS1500 board. # diff --git a/arch/mips/au1000/xxs1500/board_setup.c b/arch/mips/au1000/xxs1500/board_setup.c index 79d1798621b..4c587acac5c 100644 --- a/arch/mips/au1000/xxs1500/board_setup.c +++ b/arch/mips/au1000/xxs1500/board_setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2000-2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000-2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -39,40 +38,40 @@ void __init board_setup(void) { u32 pin_func; - // set multiple use pins (UART3/GPIO) to UART (it's used as UART too) - pin_func = au_readl(SYS_PINFUNC) & (u32)(~SYS_PF_UR3); + /* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */ + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3; pin_func |= SYS_PF_UR3; au_writel(pin_func, SYS_PINFUNC); - // enable UART - au_writel(0x01, UART3_ADDR+UART_MOD_CNTRL); // clock enable (CE) + /* Enable UART */ + au_writel(0x01, UART3_ADDR + UART_MOD_CNTRL); /* clock enable (CE) */ mdelay(10); - au_writel(0x03, UART3_ADDR+UART_MOD_CNTRL); // CE and "enable" + au_writel(0x03, UART3_ADDR + UART_MOD_CNTRL); /* CE and "enable" */ mdelay(10); - // enable DTR = USB power up - au_writel(0x01, UART3_ADDR+UART_MCR); //? UART_MCR_DTR is 0x01??? + /* Enable DTR = USB power up */ + au_writel(0x01, UART3_ADDR + UART_MCR); /* UART_MCR_DTR is 0x01??? */ #ifdef CONFIG_PCMCIA_XXS1500 - /* setup pcmcia signals */ + /* Setup PCMCIA signals */ au_writel(0, SYS_PININPUTEN); - /* gpio 0, 1, and 4 are inputs */ - au_writel(1 | (1<<1) | (1<<4), SYS_TRIOUTCLR); + /* GPIO 0, 1, and 4 are inputs */ + au_writel(1 | (1 << 1) | (1 << 4), SYS_TRIOUTCLR); - /* enable GPIO2 if not already enabled */ + /* Enable GPIO2 if not already enabled */ au_writel(1, GPIO2_ENABLE); - /* gpio2 208/9/10/11 are inputs */ - au_writel((1<<8) | (1<<9) | (1<<10) | (1<<11), GPIO2_DIR); + /* GPIO2 208/9/10/11 are inputs */ + au_writel((1 << 8) | (1 << 9) | (1 << 10) | (1 << 11), GPIO2_DIR); - /* turn off power */ - au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30), GPIO2_OUTPUT); + /* Turn off power */ + au_writel((au_readl(GPIO2_PINSTATE) & ~(1 << 14)) | (1 << 30), + GPIO2_OUTPUT); #endif - #ifdef CONFIG_PCI #if defined(__MIPSEB__) - au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG); + au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); #else au_writel(0xf, Au1500_PCI_CFG); #endif diff --git a/arch/mips/au1000/xxs1500/init.c b/arch/mips/au1000/xxs1500/init.c index 24fc6e132dc..b849bf501c0 100644 --- a/arch/mips/au1000/xxs1500/init.c +++ b/arch/mips/au1000/xxs1500/init.c @@ -2,9 +2,8 @@ * BRIEF MODULE DESCRIPTION * XXS1500 board setup * - * Copyright 2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -45,8 +44,8 @@ void __init prom_init(void) unsigned long memsize; prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); @@ -54,6 +53,6 @@ void __init prom_init(void) if (!memsize_str) memsize = 0x04000000; else - memsize = simple_strtol(memsize_str, NULL, 0); + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/xxs1500/irqmap.c b/arch/mips/au1000/xxs1500/irqmap.c index dd6e3d1eb4d..edf06ed1187 100644 --- a/arch/mips/au1000/xxs1500/irqmap.c +++ b/arch/mips/au1000/xxs1500/irqmap.c @@ -31,7 +31,7 @@ #include <asm/mach-au1x00/au1000.h> struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, diff --git a/arch/mips/emma2rh/markeins/setup.c b/arch/mips/emma2rh/markeins/setup.c index 82f9e9013e7..62bfb455d1b 100644 --- a/arch/mips/emma2rh/markeins/setup.c +++ b/arch/mips/emma2rh/markeins/setup.c @@ -76,7 +76,9 @@ static void markeins_machine_power_off(void) while (1) ; } -static unsigned long clock[4] = { 166500000, 187312500, 199800000, 210600000 }; +static unsigned long __initdata emma2rh_clock[4] = { + 166500000, 187312500, 199800000, 210600000 +}; static unsigned int __init detect_bus_frequency(unsigned long rtc_base) { @@ -85,7 +87,8 @@ static unsigned int __init detect_bus_frequency(unsigned long rtc_base) /* detect from boot strap */ reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0); reg = (reg >> 4) & 0x3; - return clock[reg]; + + return emma2rh_clock[reg]; } void __init plat_time_init(void) diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 45545be3eb8..cc0244036ae 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -56,9 +56,9 @@ obj-$(CONFIG_MIPS_MT_SMP) += smp-mt.o obj-$(CONFIG_MIPS_CMP) += smp-cmp.o obj-$(CONFIG_CPU_MIPSR2) += spram.o -obj-$(CONFIG_MIPS_APSP_KSPD) += kspd.o obj-$(CONFIG_MIPS_VPE_LOADER) += vpe.o obj-$(CONFIG_MIPS_VPE_APSP_API) += rtlx.o +obj-$(CONFIG_MIPS_APSP_KSPD) += kspd.o obj-$(CONFIG_I8259) += i8259.o obj-$(CONFIG_IRQ_CPU) += irq_cpu.o diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c index a1b48af0992..02b7713cf71 100644 --- a/arch/mips/kernel/cpu-bugs64.c +++ b/arch/mips/kernel/cpu-bugs64.c @@ -38,7 +38,7 @@ static inline void align_mod(const int align, const int mod) ".endr\n\t" ".set pop" : - : GCC_IMM_ASM(align), GCC_IMM_ASM(mod)); + : GCC_IMM_ASM() (align), GCC_IMM_ASM() (mod)); } static inline void mult_sh_align_mod(long *v1, long *v2, long *w, diff --git a/arch/mips/kernel/irixelf.c b/arch/mips/kernel/irixelf.c index 290d8e3a664..469c7237e5b 100644 --- a/arch/mips/kernel/irixelf.c +++ b/arch/mips/kernel/irixelf.c @@ -578,7 +578,7 @@ static inline int map_interpreter(struct elf_phdr *epp, struct elfhdr *ihp, * process and the system, here we map the page and fill the * structure */ -static void irix_map_prda_page(void) +static int irix_map_prda_page(void) { unsigned long v; struct prda *pp; @@ -587,8 +587,8 @@ static void irix_map_prda_page(void) v = do_brk(PRDA_ADDRESS, PAGE_SIZE); up_write(¤t->mm->mmap_sem); - if (v < 0) - return; + if (v != PRDA_ADDRESS) + return v; /* v must be an error code */ pp = (struct prda *) v; pp->prda_sys.t_pid = task_pid_vnr(current); @@ -596,6 +596,8 @@ static void irix_map_prda_page(void) pp->prda_sys.t_rpid = task_pid_vnr(current); /* We leave the rest set to zero */ + + return 0; } @@ -781,7 +783,8 @@ static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs) * IRIX maps a page at 0x200000 which holds some system * information. Programs depend on this. */ - irix_map_prda_page(); + if (irix_map_prda_page()) + goto out_free_dentry; padzero(elf_bss); diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c index ceb62dce1c9..b0591ae0ce5 100644 --- a/arch/mips/kernel/kspd.c +++ b/arch/mips/kernel/kspd.c @@ -257,7 +257,7 @@ void sp_work_handle_request(void) vcwd = vpe_getcwd(tclimit); - /* change to the cwd of the process that loaded the SP program */ + /* change to cwd of the process that loaded the SP program */ old_fs = get_fs(); set_fs(KERNEL_DS); sys_chdir(vcwd); @@ -323,6 +323,9 @@ static void sp_cleanup(void) set >>= 1; } } + + /* Put daemon cwd back to root to avoid umount problems */ + sys_chdir("/"); } static int channel_open = 0; diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index 0233798f715..b88f1c18ff4 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -72,6 +72,15 @@ static void rtlx_dispatch(void) static irqreturn_t rtlx_interrupt(int irq, void *dev_id) { int i; + unsigned int flags, vpeflags; + + /* Ought not to be strictly necessary for SMTC builds */ + local_irq_save(flags); + vpeflags = dvpe(); + set_c0_status(0x100 << MIPS_CPU_RTLX_IRQ); + irq_enable_hazard(); + evpe(vpeflags); + local_irq_restore(flags); for (i = 0; i < RTLX_CHANNELS; i++) { wake_up(&channel_wqs[i].lx_queue); @@ -108,7 +117,8 @@ static void __used dump_rtlx(void) static int rtlx_init(struct rtlx_info *rtlxi) { if (rtlxi->id != RTLX_ID) { - printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n", rtlxi, rtlxi->id); + printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n", + rtlxi, rtlxi->id); return -ENOEXEC; } @@ -162,18 +172,17 @@ int rtlx_open(int index, int can_sleep) if (rtlx == NULL) { if( (p = vpe_get_shared(tclimit)) == NULL) { - if (can_sleep) { - __wait_event_interruptible(channel_wqs[index].lx_queue, - (p = vpe_get_shared(tclimit)), - ret); - if (ret) - goto out_fail; - } else { - printk(KERN_DEBUG "No SP program loaded, and device " - "opened with O_NONBLOCK\n"); - ret = -ENOSYS; + if (can_sleep) { + __wait_event_interruptible(channel_wqs[index].lx_queue, + (p = vpe_get_shared(tclimit)), ret); + if (ret) goto out_fail; - } + } else { + printk(KERN_DEBUG "No SP program loaded, and device " + "opened with O_NONBLOCK\n"); + ret = -ENOSYS; + goto out_fail; + } } smp_rmb(); @@ -182,7 +191,9 @@ int rtlx_open(int index, int can_sleep) DEFINE_WAIT(wait); for (;;) { - prepare_to_wait(&channel_wqs[index].lx_queue, &wait, TASK_INTERRUPTIBLE); + prepare_to_wait( + &channel_wqs[index].lx_queue, + &wait, TASK_INTERRUPTIBLE); smp_rmb(); if (*p != NULL) break; @@ -195,7 +206,7 @@ int rtlx_open(int index, int can_sleep) } finish_wait(&channel_wqs[index].lx_queue, &wait); } else { - printk(" *vpe_get_shared is NULL. " + pr_err(" *vpe_get_shared is NULL. " "Has an SP program been loaded?\n"); ret = -ENOSYS; goto out_fail; @@ -203,8 +214,9 @@ int rtlx_open(int index, int can_sleep) } if ((unsigned int)*p < KSEG0) { - printk(KERN_WARNING "vpe_get_shared returned an invalid pointer " - "maybe an error code %d\n", (int)*p); + printk(KERN_WARNING "vpe_get_shared returned an " + "invalid pointer maybe an error code %d\n", + (int)*p); ret = -ENOSYS; goto out_fail; } @@ -232,6 +244,10 @@ out_ret: int rtlx_release(int index) { + if (rtlx == NULL) { + pr_err("rtlx_release() with null rtlx\n"); + return 0; + } rtlx->channel[index].lx_state = RTLX_STATE_UNUSED; return 0; } @@ -251,8 +267,8 @@ unsigned int rtlx_read_poll(int index, int can_sleep) int ret = 0; __wait_event_interruptible(channel_wqs[index].lx_queue, - chan->lx_read != chan->lx_write || sp_stopping, - ret); + (chan->lx_read != chan->lx_write) || + sp_stopping, ret); if (ret) return ret; @@ -282,7 +298,9 @@ static inline int write_spacefree(int read, int write, int size) unsigned int rtlx_write_poll(int index) { struct rtlx_channel *chan = &rtlx->channel[index]; - return write_spacefree(chan->rt_read, chan->rt_write, chan->buffer_size); + + return write_spacefree(chan->rt_read, chan->rt_write, + chan->buffer_size); } ssize_t rtlx_read(int index, void __user *buff, size_t count) @@ -344,8 +362,8 @@ ssize_t rtlx_write(int index, const void __user *buffer, size_t count) rt_read = rt->rt_read; /* total number of bytes to copy */ - count = min(count, - (size_t)write_spacefree(rt_read, rt->rt_write, rt->buffer_size)); + count = min(count, (size_t)write_spacefree(rt_read, rt->rt_write, + rt->buffer_size)); /* first bit from write pointer to the end of the buffer, or count */ fl = min(count, (size_t) rt->buffer_size - rt->rt_write); @@ -514,6 +532,11 @@ static int __init rtlx_module_init(void) if (cpu_has_vint) set_vi_handler(MIPS_CPU_RTLX_IRQ, rtlx_dispatch); + else { + pr_err("APRP RTLX init on non-vectored-interrupt processor\n"); + err = -ENODEV; + goto out_chrdev; + } rtlx_irq.dev_id = rtlx; setup_irq(rtlx_irq_num, &rtlx_irq); diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 39f3dfe134f..c6a063b2a0d 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -331,6 +331,7 @@ static void __init bootmem_init(void) /* * Determine low and high memory ranges */ + max_pfn = max_low_pfn; if (max_low_pfn > PFN_DOWN(HIGHMEM_START)) { #ifdef CONFIG_HIGHMEM highstart_pfn = PFN_DOWN(HIGHMEM_START); diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 33780cc61ce..63370cdd3c9 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -87,8 +87,8 @@ struct plat_smp_ops *mp_ops; __cpuinit void register_smp_ops(struct plat_smp_ops *ops) { - if (ops) - printk(KERN_WARNING "Overriding previous set SMP ops\n"); + if (mp_ops) + printk(KERN_WARNING "Overriding previously set SMP ops\n"); mp_ops = ops; } diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 39804c584ed..2794501ff30 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -269,7 +269,7 @@ static void *alloc_progmem(unsigned long len) * This means you must tell Linux to use less memory than you * physically have, for example by passing a mem= boot argument. */ - addr = pfn_to_kaddr(max_pfn); + addr = pfn_to_kaddr(max_low_pfn); memset(addr, 0, len); #else /* simple grab some mem for now */ @@ -781,10 +781,15 @@ static int vpe_run(struct vpe * v) /* take system out of configuration state */ clear_c0_mvpcontrol(MVPCONTROL_VPC); + /* + * SMTC/SMVP kernels manage VPE enable independently, + * but uniprocessor kernels need to turn it on, even + * if that wasn't the pre-dvpe() state. + */ #ifdef CONFIG_SMP - evpe(EVPE_ENABLE); -#else evpe(vpeflags); +#else + evpe(EVPE_ENABLE); #endif emt(dmt_flag); local_irq_restore(flags); @@ -840,7 +845,7 @@ static int vpe_elfload(struct vpe * v) /* Sanity checks against insmoding binaries or wrong arch, weird elf version */ - if (memcmp(hdr->e_ident, ELFMAG, 4) != 0 + if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) != 0 || (hdr->e_type != ET_REL && hdr->e_type != ET_EXEC) || !elf_check_arch(hdr) || hdr->e_shentsize != sizeof(*sechdrs)) { @@ -947,12 +952,14 @@ static int vpe_elfload(struct vpe * v) struct elf_phdr *phdr = (struct elf_phdr *) ((char *)hdr + hdr->e_phoff); for (i = 0; i < hdr->e_phnum; i++) { - if (phdr->p_type != PT_LOAD) - continue; - - memcpy((void *)phdr->p_paddr, (char *)hdr + phdr->p_offset, phdr->p_filesz); - memset((void *)phdr->p_paddr + phdr->p_filesz, 0, phdr->p_memsz - phdr->p_filesz); - phdr++; + if (phdr->p_type == PT_LOAD) { + memcpy((void *)phdr->p_paddr, + (char *)hdr + phdr->p_offset, + phdr->p_filesz); + memset((void *)phdr->p_paddr + phdr->p_filesz, + 0, phdr->p_memsz - phdr->p_filesz); + } + phdr++; } for (i = 0; i < hdr->e_shnum; i++) { @@ -1107,7 +1114,7 @@ static int vpe_release(struct inode *inode, struct file *filp) return -ENODEV; hdr = (Elf_Ehdr *) v->pbuffer; - if (memcmp(hdr->e_ident, ELFMAG, 4) == 0) { + if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) == 0) { if (vpe_elfload(v) >= 0) { vpe_run(v); } else { diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c index 10dd2af2343..8f2cd8eda74 100644 --- a/arch/mips/mm/highmem.c +++ b/arch/mips/mm/highmem.c @@ -116,4 +116,3 @@ EXPORT_SYMBOL(__kmap); EXPORT_SYMBOL(__kunmap); EXPORT_SYMBOL(__kmap_atomic); EXPORT_SYMBOL(__kunmap_atomic); -EXPORT_SYMBOL(__kmap_atomic_to_page); diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index da8cbb6899d..b40df7d2cf4 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -281,7 +281,7 @@ static inline int n_counters(void) static void reset_counters(void *arg) { - int counters = (int)arg; + int counters = (int)(long)arg; switch (counters) { case 4: w_c0_perfctrl3(0); @@ -313,7 +313,7 @@ static int __init mipsxx_init(void) if (!cpu_has_mipsmt_pertccounters) counters = counters_total_to_per_cpu(counters); #endif - on_each_cpu(reset_counters, (void *)counters, 0, 1); + on_each_cpu(reset_counters, (void *)(long)counters, 0, 1); op_model_mipsxx_ops.num_counters = counters; switch (current_cpu_type()) { @@ -382,7 +382,7 @@ static void mipsxx_exit(void) int counters = op_model_mipsxx_ops.num_counters; counters = counters_per_cpu_to_total(counters); - on_each_cpu(reset_counters, (void *)counters, 0, 1); + on_each_cpu(reset_counters, (void *)(long)counters, 0, 1); perf_irq = save_perf_irq; } diff --git a/arch/mips/pci/fixup-au1000.c b/arch/mips/pci/fixup-au1000.c index 00c36c9dbe0..e2ddfc49237 100644 --- a/arch/mips/pci/fixup-au1000.c +++ b/arch/mips/pci/fixup-au1000.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * Board specific pci fixups. + * Board specific PCI fixups. * - * Copyright 2001-2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001-2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c index 1314bd58f03..9a57c5ab91d 100644 --- a/arch/mips/pci/ops-au1000.c +++ b/arch/mips/pci/ops-au1000.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * Alchemy/AMD Au1x00 PCI support. + * Alchemy/AMD Au1xx0 PCI support. * - * Copyright 2001-2003, 2007 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001-2003, 2007-2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * Support for all devices (greater than 16) added by David Gathright. * @@ -28,6 +27,7 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include <linux/types.h> #include <linux/pci.h> #include <linux/kernel.h> @@ -36,9 +36,9 @@ #include <asm/mach-au1x00/au1000.h> -#undef DEBUG -#ifdef DEBUG -#define DBG(x...) printk(x) +#undef DEBUG +#ifdef DEBUG +#define DBG(x...) printk(KERN_DEBUG x) #else #define DBG(x...) #endif @@ -46,7 +46,6 @@ #define PCI_ACCESS_READ 0 #define PCI_ACCESS_WRITE 1 - int (*board_pci_idsel)(unsigned int devsel, int assert); void mod_wired_entry(int entry, unsigned long entrylo0, @@ -92,10 +91,9 @@ void __init au1x_pci_cfg_init(void) } static int config_access(unsigned char access_type, struct pci_bus *bus, - unsigned int dev_fn, unsigned char where, - u32 * data) + unsigned int dev_fn, unsigned char where, u32 *data) { -#if defined( CONFIG_SOC_AU1500 ) || defined( CONFIG_SOC_AU1550 ) +#if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550) unsigned int device = PCI_SLOT(dev_fn); unsigned int function = PCI_FUNC(dev_fn); unsigned long offset, status; @@ -114,38 +112,36 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, Au1500_PCI_STATCMD); au_sync_udelay(1); - /* Allow board vendors to implement their own off-chip idsel. + /* + * Allow board vendors to implement their own off-chip IDSEL. * If it doesn't succeed, may as well bail out at this point. */ - if (board_pci_idsel) { - if (board_pci_idsel(device, 1) == 0) { - *data = 0xffffffff; - local_irq_restore(flags); - return -1; - } + if (board_pci_idsel && board_pci_idsel(device, 1) == 0) { + *data = 0xffffffff; + local_irq_restore(flags); + return -1; } - /* setup the config window */ - if (bus->number == 0) { - cfg_base = ((1<<device)<<11); - } else { - cfg_base = 0x80000000 | (bus->number<<16) | (device<<11); - } + /* Setup the config window */ + if (bus->number == 0) + cfg_base = (1 << device) << 11; + else + cfg_base = 0x80000000 | (bus->number << 16) | (device << 11); - /* setup the lower bits of the 36 bit address */ - offset = (function << 8) | (where & ~0x3); - /* pick up any address that falls below the page mask */ + /* Setup the lower bits of the 36-bit address */ + offset = (function << 8) | (where & ~0x3); + /* Pick up any address that falls below the page mask */ offset |= cfg_base & ~PAGE_MASK; - /* page boundary */ + /* Page boundary */ cfg_base = cfg_base & PAGE_MASK; /* * To improve performance, if the current device is the same as * the last device accessed, we don't touch the TLB. */ - entryLo0 = (6 << 26) | (cfg_base >> 6) | (2 << 3) | 7; - entryLo1 = (6 << 26) | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7; + entryLo0 = (6 << 26) | (cfg_base >> 6) | (2 << 3) | 7; + entryLo1 = (6 << 26) | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7; if ((entryLo0 != last_entryLo0) || (entryLo1 != last_entryLo1)) { mod_wired_entry(pci_cfg_wired_entry, entryLo0, entryLo1, (unsigned long)pci_cfg_vm->addr, PM_4K); @@ -153,38 +149,37 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, last_entryLo1 = entryLo1; } - if (access_type == PCI_ACCESS_WRITE) { + if (access_type == PCI_ACCESS_WRITE) au_writel(*data, (int)(pci_cfg_vm->addr + offset)); - } else { + else *data = au_readl((int)(pci_cfg_vm->addr + offset)); - } + au_sync_udelay(2); - DBG("cfg_access %d bus->number %d dev %d at %x *data %x conf %x\n", - access_type, bus->number, device, where, *data, offset); + DBG("cfg_access %d bus->number %u dev %u at %x *data %x conf %lx\n", + access_type, bus->number, device, where, *data, offset); - /* check master abort */ + /* Check master abort */ status = au_readl(Au1500_PCI_STATCMD); - if (status & (1<<29)) { + if (status & (1 << 29)) { *data = 0xffffffff; error = -1; DBG("Au1x Master Abort\n"); } else if ((status >> 28) & 0xf) { - DBG("PCI ERR detected: device %d, status %x\n", device, ((status >> 28) & 0xf)); + DBG("PCI ERR detected: device %u, status %lx\n", + device, (status >> 28) & 0xf); - /* clear errors */ + /* Clear errors */ au_writel(status & 0xf000ffff, Au1500_PCI_STATCMD); *data = 0xffffffff; error = -1; } - /* Take away the idsel. - */ - if (board_pci_idsel) { + /* Take away the IDSEL. */ + if (board_pci_idsel) (void)board_pci_idsel(device, 0); - } local_irq_restore(flags); return error; @@ -192,7 +187,7 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, } static int read_config_byte(struct pci_bus *bus, unsigned int devfn, - int where, u8 * val) + int where, u8 *val) { u32 data; int ret; @@ -206,9 +201,8 @@ static int read_config_byte(struct pci_bus *bus, unsigned int devfn, return ret; } - static int read_config_word(struct pci_bus *bus, unsigned int devfn, - int where, u16 * val) + int where, u16 *val) { u32 data; int ret; @@ -221,7 +215,7 @@ static int read_config_word(struct pci_bus *bus, unsigned int devfn, } static int read_config_dword(struct pci_bus *bus, unsigned int devfn, - int where, u32 * val) + int where, u32 *val) { int ret; @@ -229,9 +223,8 @@ static int read_config_dword(struct pci_bus *bus, unsigned int devfn, return ret; } -static int -write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, - u8 val) +static int write_config_byte(struct pci_bus *bus, unsigned int devfn, + int where, u8 val) { u32 data = 0; @@ -239,7 +232,7 @@ write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, return -1; data = (data & ~(0xff << ((where & 3) << 3))) | - (val << ((where & 3) << 3)); + (val << ((where & 3) << 3)); if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) return -1; @@ -247,9 +240,8 @@ write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, return PCIBIOS_SUCCESSFUL; } -static int -write_config_word(struct pci_bus *bus, unsigned int devfn, int where, - u16 val) +static int write_config_word(struct pci_bus *bus, unsigned int devfn, + int where, u16 val) { u32 data = 0; @@ -257,18 +249,16 @@ write_config_word(struct pci_bus *bus, unsigned int devfn, int where, return -1; data = (data & ~(0xffff << ((where & 3) << 3))) | - (val << ((where & 3) << 3)); + (val << ((where & 3) << 3)); if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) return -1; - return PCIBIOS_SUCCESSFUL; } -static int -write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, - u32 val) +static int write_config_dword(struct pci_bus *bus, unsigned int devfn, + int where, u32 val) { if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val)) return -1; @@ -277,18 +267,20 @@ write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, } static int config_read(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 * val) + int where, int size, u32 *val) { switch (size) { case 1: { u8 _val; int rc = read_config_byte(bus, devfn, where, &_val); + *val = _val; return rc; } - case 2: { + case 2: { u16 _val; int rc = read_config_word(bus, devfn, where, &_val); + *val = _val; return rc; } @@ -310,7 +302,6 @@ static int config_write(struct pci_bus *bus, unsigned int devfn, } } - struct pci_ops au1x_pci_ops = { config_read, config_write diff --git a/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c b/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c index ab96a2d7f4c..11769b55438 100644 --- a/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c +++ b/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c @@ -126,9 +126,6 @@ static irqreturn_t hwbutton_handler(int irq, void *data) struct hwbutton_interrupt *hirq = data; unsigned long cic_ext = *CIC_EXT_CFG_REG; - if (irq != hirq->irq) - return IRQ_NONE; - if (CIC_EXT_IS_ACTIVE_HI(cic_ext, hirq->eirq)) { /* Interrupt: pin is now HI */ CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq); @@ -164,7 +161,7 @@ static int msp_hwbutton_register(struct hwbutton_interrupt *hirq) *CIC_EXT_CFG_REG = cic_ext; return request_irq(hirq->irq, hwbutton_handler, IRQF_DISABLED, - hirq->name, (void *)hirq); + hirq->name, hirq); } static int __init msp_hwbutton_setup(void) diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 25d3baf0ebc..9cebc9e7da6 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -158,7 +158,7 @@ static void rt_set_mode(enum clock_event_mode mode, } } -unsigned int rt_timer_irq; +int rt_timer_irq; static irqreturn_t hub_rt_counter_handler(int irq, void *dev_id) { @@ -219,7 +219,7 @@ static void __cpuinit hub_rt_clock_event_init(void) static void __init hub_rt_clock_event_global_init(void) { - unsigned int irq; + int irq; do { smp_wmb(); diff --git a/arch/mn10300/boot/install.sh b/arch/mn10300/boot/install.sh index 072951c8397..abba3097119 100644 --- a/arch/mn10300/boot/install.sh +++ b/arch/mn10300/boot/install.sh @@ -26,42 +26,42 @@ rm -fr $4/../usr/include/linux $4/../usr/include/asm install -c -m 0755 $2 $4/vmlinuz install -c -m 0755 $5 $4/boot.rom install -c -m 0755 -d $4/../usr/include/linux -cd $TOPDIR/include/linux +cd ${srctree}/include/linux for i in `find . -maxdepth 1 -name '*.h' -print`; do install -c -m 0644 $i $4/../usr/include/linux done install -c -m 0755 -d $4/../usr/include/linux/byteorder -cd $TOPDIR/include/linux/byteorder +cd ${srctree}/include/linux/byteorder for i in `find . -name '*.h' -print`; do install -c -m 0644 $i $4/../usr/include/linux/byteorder done install -c -m 0755 -d $4/../usr/include/linux/lockd -cd $TOPDIR/include/linux/lockd +cd ${srctree}/include/linux/lockd for i in `find . -name '*.h' -print`; do install -c -m 0644 $i $4/../usr/include/linux/lockd done install -c -m 0755 -d $4/../usr/include/linux/netfilter_ipv4 -cd $TOPDIR/include/linux/netfilter_ipv4 +cd ${srctree}/include/linux/netfilter_ipv4 for i in `find . -name '*.h' -print`; do install -c -m 0644 $i $4/../usr/include/linux/netfilter_ipv4 done install -c -m 0755 -d $4/../usr/include/linux/nfsd -cd $TOPDIR/include/linux/nfsd +cd ${srctree}/include/linux/nfsd for i in `find . -name '*.h' -print`; do install -c -m 0644 $i $4/../usr/include/linux/nfsd/$i done install -c -m 0755 -d $4/../usr/include/linux/raid -cd $TOPDIR/include/linux/raid +cd ${srctree}/include/linux/raid for i in `find . -name '*.h' -print`; do install -c -m 0644 $i $4/../usr/include/linux/raid done install -c -m 0755 -d $4/../usr/include/linux/sunrpc -cd $TOPDIR/include/linux/sunrpc +cd ${srctree}/include/linux/sunrpc for i in `find . -name '*.h' -print`; do install -c -m 0644 $i $4/../usr/include/linux/sunrpc done install -c -m 0755 -d $4/../usr/include/asm -cd $TOPDIR/include/asm +cd ${srctree}/include/asm for i in `find . -name '*.h' -print`; do install -c -m 0644 $i $4/../usr/include/asm done diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 4ce60556d45..78fe252b92c 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -604,7 +604,7 @@ void show_mem(void) int i, j; for (i = 0; i < npmem_ranges; i++) { - zl = node_zonelist(i); + zl = node_zonelist(i, 0); for (j = 0; j < MAX_NR_ZONES; j++) { struct zoneref *z; struct zone *zone; diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index d14cebf62bb..2346d271fbf 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -105,6 +105,9 @@ PHONY += systbl_chk systbl_chk: $(src)/systbl_chk.sh $(obj)/systbl_chk.i $(call cmd,systbl_chk) + +ifeq ($(CONFIG_PPC_MERGE),y) + $(obj)/built-in.o: prom_init_check quiet_cmd_prom_init_check = CALL $< @@ -114,4 +117,7 @@ PHONY += prom_init_check prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o $(call cmd,prom_init_check) +endif + + clean-files := vmlinux.lds diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 81738a4b3c3..e44d5530f0a 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1484,6 +1484,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .dcache_bsize = 32, .machine_check = machine_check_e200, .platform = "ppc5554", + } #endif /* CONFIG_E200 */ #ifdef CONFIG_E500 { /* e500 */ @@ -1533,6 +1534,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .dcache_bsize = 32, .machine_check = machine_check_e500, .platform = "powerpc", + } #endif /* CONFIG_E500 */ #endif /* CONFIG_PPC32 */ }; diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index f1d2cdc5331..c71d37dc6a8 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -10,6 +10,7 @@ ifeq ($(CONFIG_PPC_MERGE),y) obj-y := string.o alloc.o \ checksum_$(CONFIG_WORD_SIZE).o obj-$(CONFIG_PPC32) += div64.o copy_32.o +obj-$(CONFIG_HAS_IOMEM) += devres.o endif obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o \ @@ -23,4 +24,3 @@ obj-$(CONFIG_SMP) += locks.o endif obj-$(CONFIG_PPC_LIB_RHEAP) += rheap.o -obj-$(CONFIG_HAS_IOMEM) += devres.o diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile index 8df7f0e4c3a..2352d139b26 100644 --- a/arch/ppc/Makefile +++ b/arch/ppc/Makefile @@ -43,7 +43,7 @@ KBUILD_AFLAGS += $(cpu-as-y) KBUILD_CFLAGS += $(cpu-as-y) # Default to the common case. -KBUILD_DEFCONFIG := common_defconfig +KBUILD_DEFCONFIG := ebony_defconfig head-y := arch/ppc/kernel/head.o head-$(CONFIG_8xx) := arch/ppc/kernel/head_8xx.o diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c index 16ac11ca7ba..602c268fc8a 100644 --- a/arch/ppc/kernel/ppc_ksyms.c +++ b/arch/ppc/kernel/ppc_ksyms.c @@ -24,6 +24,7 @@ #include <asm/checksum.h> #include <asm/pgtable.h> #include <asm/tlbflush.h> +#include <asm/cacheflush.h> #include <linux/adb.h> #include <linux/cuda.h> #include <linux/pmu.h> diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c index bfddfdee0b6..51e8094f52d 100644 --- a/arch/ppc/kernel/setup.c +++ b/arch/ppc/kernel/setup.c @@ -36,6 +36,7 @@ #include <asm/nvram.h> #include <asm/xmon.h> #include <asm/ocp.h> +#include <asm/irq.h> #define USES_PPC_SYS (defined(CONFIG_MPC10X_BRIDGE) || defined(CONFIG_8260) || \ defined(CONFIG_PPC_MPC52xx)) diff --git a/arch/ppc/platforms/residual.c b/arch/ppc/platforms/residual.c index 18495e754e3..d687b0f8763 100644 --- a/arch/ppc/platforms/residual.c +++ b/arch/ppc/platforms/residual.c @@ -38,6 +38,7 @@ #include <linux/init.h> #include <linux/ioport.h> #include <linux/pci.h> +#include <linux/proc_fs.h> #include <asm/sections.h> #include <asm/mmu.h> diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c index d453c3a1c79..832641bbd47 100644 --- a/arch/sh/kernel/kgdb_stub.c +++ b/arch/sh/kernel/kgdb_stub.c @@ -330,14 +330,6 @@ static char *ebin_to_mem(const char *buf, char *mem, int count) return mem; } -/* Pack a hex byte */ -static char *pack_hex_byte(char *pkt, int byte) -{ - *pkt++ = hexchars[(byte >> 4) & 0xf]; - *pkt++ = hexchars[(byte & 0xf)]; - return pkt; -} - /* Scan for the start char '$', read the packet and check the checksum */ static void get_packet(char *buffer, int buflen) { diff --git a/arch/sparc/kernel/rtrap.S b/arch/sparc/kernel/rtrap.S index b27b5b56f77..ab818cdc4cc 100644 --- a/arch/sparc/kernel/rtrap.S +++ b/arch/sparc/kernel/rtrap.S @@ -139,7 +139,7 @@ ret_trap_userwins_ok: LOAD_PT_PRIV(sp, t_psr, t_pc, t_npc) or %t_pc, %t_npc, %g2 andcc %g2, 0x3, %g0 - sethi %hi(PSR_SYCALL), %g2 + sethi %hi(PSR_SYSCALL), %g2 be 1f andn %t_psr, %g2, %t_psr diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c index e995491c443..3c6b49a53ae 100644 --- a/arch/sparc/kernel/sys_sparc.c +++ b/arch/sparc/kernel/sys_sparc.c @@ -219,7 +219,7 @@ out: return err; } -int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags) +int sparc_mmap_check(unsigned long addr, unsigned long len) { if (ARCH_SUN4C_SUN4 && (len > 0x20000000 || @@ -295,52 +295,14 @@ asmlinkage unsigned long sparc_mremap(unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, unsigned long new_addr) { - struct vm_area_struct *vma; unsigned long ret = -EINVAL; - if (ARCH_SUN4C_SUN4) { - if (old_len > 0x20000000 || new_len > 0x20000000) - goto out; - if (addr < 0xe0000000 && addr + old_len > 0x20000000) - goto out; - } - if (old_len > TASK_SIZE - PAGE_SIZE || - new_len > TASK_SIZE - PAGE_SIZE) + + if (unlikely(sparc_mmap_check(addr, old_len))) + goto out; + if (unlikely(sparc_mmap_check(new_addr, new_len))) goto out; down_write(¤t->mm->mmap_sem); - if (flags & MREMAP_FIXED) { - if (ARCH_SUN4C_SUN4 && - new_addr < 0xe0000000 && - new_addr + new_len > 0x20000000) - goto out_sem; - if (new_addr + new_len > TASK_SIZE - PAGE_SIZE) - goto out_sem; - } else if ((ARCH_SUN4C_SUN4 && addr < 0xe0000000 && - addr + new_len > 0x20000000) || - addr + new_len > TASK_SIZE - PAGE_SIZE) { - unsigned long map_flags = 0; - struct file *file = NULL; - - ret = -ENOMEM; - if (!(flags & MREMAP_MAYMOVE)) - goto out_sem; - - vma = find_vma(current->mm, addr); - if (vma) { - if (vma->vm_flags & VM_SHARED) - map_flags |= MAP_SHARED; - file = vma->vm_file; - } - - new_addr = get_unmapped_area(file, addr, new_len, - vma ? vma->vm_pgoff : 0, - map_flags); - ret = new_addr; - if (new_addr & ~PAGE_MASK) - goto out_sem; - flags |= MREMAP_FIXED; - } ret = do_mremap(addr, old_len, new_len, flags, new_addr); -out_sem: up_write(¤t->mm->mmap_sem); out: return ret; diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S index b9b785fd8b4..16689b2930d 100644 --- a/arch/sparc64/kernel/rtrap.S +++ b/arch/sparc64/kernel/rtrap.S @@ -46,7 +46,7 @@ __handle_user_windows: wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate ldx [%g6 + TI_FLAGS], %l0 -1: andcc %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0 +1: andcc %l0, _TIF_SIGPENDING, %g0 be,pt %xcc, __handle_user_windows_continue nop mov %l5, %o1 @@ -86,7 +86,7 @@ __handle_perfctrs: wrpr %g0, RTRAP_PSTATE, %pstate wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate ldx [%g6 + TI_FLAGS], %l0 -1: andcc %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0 +1: andcc %l0, _TIF_SIGPENDING, %g0 be,pt %xcc, __handle_perfctrs_continue sethi %hi(TSTATE_PEF), %o0 @@ -195,7 +195,7 @@ __handle_preemption_continue: andcc %l1, %o0, %g0 andcc %l0, _TIF_NEED_RESCHED, %g0 bne,pn %xcc, __handle_preemption - andcc %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0 + andcc %l0, _TIF_SIGPENDING, %g0 bne,pn %xcc, __handle_signal __handle_signal_continue: ldub [%g6 + TI_WSAVED], %o2 diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c index 2378482c2aa..6e4dc67d16a 100644 --- a/arch/sparc64/kernel/signal.c +++ b/arch/sparc64/kernel/signal.c @@ -247,7 +247,9 @@ static long _sigpause_common(old_sigset_t set) current->state = TASK_INTERRUPTIBLE; schedule(); - set_thread_flag(TIF_RESTORE_SIGMASK); + + set_restore_sigmask(); + return -ERESTARTNOHAND; } @@ -537,7 +539,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) } else restart_syscall = 0; - if (test_thread_flag(TIF_RESTORE_SIGMASK)) + if (current_thread_info()->status & TS_RESTORE_SIGMASK) oldset = ¤t->saved_sigmask; else oldset = ¤t->blocked; @@ -566,13 +568,12 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) syscall_restart(orig_i0, regs, &ka.sa); handle_signal(signr, &ka, &info, oldset, regs); - /* a signal was successfully delivered; the saved + /* A signal was successfully delivered; the saved * sigmask will have been stored in the signal frame, * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. + * clear the TS_RESTORE_SIGMASK flag. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; return; } if (restart_syscall && @@ -591,17 +592,17 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0) regs->tnpc -= 4; } - /* if there's no signal to deliver, we just put the saved sigmask + /* If there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); + if (current_thread_info()->status & TS_RESTORE_SIGMASK) { + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } } void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags) { - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(regs, orig_i0); } diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c index 3f19e9af3d1..97cdd1bf4a1 100644 --- a/arch/sparc64/kernel/signal32.c +++ b/arch/sparc64/kernel/signal32.c @@ -788,13 +788,12 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs, syscall_restart32(orig_i0, regs, &ka.sa); handle_signal32(signr, &ka, &info, oldset, regs); - /* a signal was successfully delivered; the saved + /* A signal was successfully delivered; the saved * sigmask will have been stored in the signal frame, * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag. + * clear the TS_RESTORE_SIGMASK flag. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; return; } if (restart_syscall && @@ -813,11 +812,11 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs, regs->tnpc -= 4; } - /* if there's no signal to deliver, we just put the saved sigmask + /* If there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); + if (current_thread_info()->status & TS_RESTORE_SIGMASK) { + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); } } diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c index 0dbc941f130..ac1bff58c1a 100644 --- a/arch/sparc64/kernel/sys_sparc.c +++ b/arch/sparc64/kernel/sys_sparc.c @@ -542,8 +542,7 @@ asmlinkage long sparc64_personality(unsigned long personality) return ret; } -int sparc64_mmap_check(unsigned long addr, unsigned long len, - unsigned long flags) +int sparc64_mmap_check(unsigned long addr, unsigned long len) { if (test_thread_flag(TIF_32BIT)) { if (len >= STACK_TOP32) @@ -609,46 +608,19 @@ asmlinkage unsigned long sys64_mremap(unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, unsigned long new_addr) { - struct vm_area_struct *vma; unsigned long ret = -EINVAL; if (test_thread_flag(TIF_32BIT)) goto out; if (unlikely(new_len >= VA_EXCLUDE_START)) goto out; - if (unlikely(invalid_64bit_range(addr, old_len))) + if (unlikely(sparc64_mmap_check(addr, old_len))) + goto out; + if (unlikely(sparc64_mmap_check(new_addr, new_len))) goto out; down_write(¤t->mm->mmap_sem); - if (flags & MREMAP_FIXED) { - if (invalid_64bit_range(new_addr, new_len)) - goto out_sem; - } else if (invalid_64bit_range(addr, new_len)) { - unsigned long map_flags = 0; - struct file *file = NULL; - - ret = -ENOMEM; - if (!(flags & MREMAP_MAYMOVE)) - goto out_sem; - - vma = find_vma(current->mm, addr); - if (vma) { - if (vma->vm_flags & VM_SHARED) - map_flags |= MAP_SHARED; - file = vma->vm_file; - } - - /* MREMAP_FIXED checked above. */ - new_addr = get_unmapped_area(file, addr, new_len, - vma ? vma->vm_pgoff : 0, - map_flags); - ret = new_addr; - if (new_addr & ~PAGE_MASK) - goto out_sem; - flags |= MREMAP_FIXED; - } ret = do_mremap(addr, old_len, new_len, flags, new_addr); -out_sem: up_write(¤t->mm->mmap_sem); out: return ret; diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c index 1aa4288125f..ba5bd626b39 100644 --- a/arch/sparc64/kernel/sys_sparc32.c +++ b/arch/sparc64/kernel/sys_sparc32.c @@ -867,44 +867,15 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, u32 __new_addr) { - struct vm_area_struct *vma; unsigned long ret = -EINVAL; unsigned long new_addr = __new_addr; - if (old_len > STACK_TOP32 || new_len > STACK_TOP32) + if (unlikely(sparc64_mmap_check(addr, old_len))) goto out; - if (addr > STACK_TOP32 - old_len) + if (unlikely(sparc64_mmap_check(new_addr, new_len))) goto out; down_write(¤t->mm->mmap_sem); - if (flags & MREMAP_FIXED) { - if (new_addr > STACK_TOP32 - new_len) - goto out_sem; - } else if (addr > STACK_TOP32 - new_len) { - unsigned long map_flags = 0; - struct file *file = NULL; - - ret = -ENOMEM; - if (!(flags & MREMAP_MAYMOVE)) - goto out_sem; - - vma = find_vma(current->mm, addr); - if (vma) { - if (vma->vm_flags & VM_SHARED) - map_flags |= MAP_SHARED; - file = vma->vm_file; - } - - /* MREMAP_FIXED checked above. */ - new_addr = get_unmapped_area(file, addr, new_len, - vma ? vma->vm_pgoff : 0, - map_flags); - ret = new_addr; - if (new_addr & ~PAGE_MASK) - goto out_sem; - flags |= MREMAP_FIXED; - } ret = do_mremap(addr, old_len, new_len, flags, new_addr); -out_sem: up_write(¤t->mm->mmap_sem); out: return ret; diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index ec3e2c72302..a9828d748e2 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -610,8 +610,6 @@ static void __init remap_kernel(void) static void __init inherit_prom_mappings(void) { - read_obp_translations(); - /* Now fixup OBP's idea about where we really are mapped. */ printk("Remapping the kernel... "); remap_kernel(); @@ -1747,7 +1745,17 @@ void __init paging_init(void) lmb_init(); - /* Find available physical memory... */ + /* Find available physical memory... + * + * Read it twice in order to work around a bug in openfirmware. + * The call to grab this table itself can cause openfirmware to + * allocate memory, which in turn can take away some space from + * the list of available memory. Reading it twice makes sure + * we really do get the final value. + */ + read_obp_translations(); + read_obp_memory("reg", &pall[0], &pall_ents); + read_obp_memory("available", &pavail[0], &pavail_ents); read_obp_memory("available", &pavail[0], &pavail_ents); phys_base = 0xffffffffffffffffUL; @@ -1788,8 +1796,6 @@ void __init paging_init(void) inherit_prom_mappings(); - read_obp_memory("reg", &pall[0], &pall_ents); - init_kpte_bitmap(); /* Ok, we can use our TLB miss and window trap handlers safely. */ diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char index 3a4b396d797..1b238ebae6b 100644 --- a/arch/um/Kconfig.char +++ b/arch/um/Kconfig.char @@ -145,14 +145,14 @@ config LEGACY_PTYS systems, it is safe to say N. config RAW_DRIVER - tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)" + tristate "RAW driver (/dev/raw/rawN)" + depends on BLOCK help The raw driver permits block devices to be bound to /dev/raw/rawN. Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O. See the raw(8) manpage for more details. - The raw driver is deprecated and will be removed soon. - Applications should simply open the device (eg /dev/hda1) + Applications should preferably open the device (eg /dev/hda1) with the O_DIRECT flag. config MAX_RAW_DEVS diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c index 025764089ac..cfeb3f4a44a 100644 --- a/arch/um/drivers/chan_user.c +++ b/arch/um/drivers/chan_user.c @@ -11,6 +11,7 @@ #include <termios.h> #include <sys/ioctl.h> #include "chan_user.h" +#include "kern_constants.h" #include "os.h" #include "um_malloc.h" #include "user.h" diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h index ca8c9e11a39..f5701fd2ef9 100644 --- a/arch/um/drivers/cow_sys.h +++ b/arch/um/drivers/cow_sys.h @@ -8,7 +8,7 @@ static inline void *cow_malloc(int size) { - return kmalloc(size, UM_GFP_KERNEL); + return uml_kmalloc(size, UM_GFP_KERNEL); } static inline void cow_free(void *ptr) diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c index f23c109a055..f8e85e0bdac 100644 --- a/arch/um/drivers/daemon_user.c +++ b/arch/um/drivers/daemon_user.c @@ -34,7 +34,7 @@ static struct sockaddr_un *new_addr(void *name, int len) { struct sockaddr_un *sun; - sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL); + sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL); if (sun == NULL) { printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un " "failed\n"); @@ -83,7 +83,7 @@ static int connect_to_switch(struct daemon_data *pri) goto out_close; } - sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL); + sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL); if (sun == NULL) { printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un " "failed\n"); diff --git a/arch/um/drivers/fd.c b/arch/um/drivers/fd.c index 0a2bb5b64b8..f5a981a1624 100644 --- a/arch/um/drivers/fd.c +++ b/arch/um/drivers/fd.c @@ -40,7 +40,7 @@ static void *fd_init(char *str, int device, const struct chan_opts *opts) return NULL; } - data = kmalloc(sizeof(*data), UM_GFP_KERNEL); + data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL); if (data == NULL) return NULL; diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c index ff1b22b69e9..368219cc236 100644 --- a/arch/um/drivers/hostaudio_kern.c +++ b/arch/um/drivers/hostaudio_kern.c @@ -154,7 +154,7 @@ static int hostaudio_ioctl(struct inode *inode, struct file *file, case SNDCTL_DSP_SUBDIVIDE: case SNDCTL_DSP_SETFRAGMENT: if (get_user(data, (int __user *) arg)) - return EFAULT; + return -EFAULT; break; default: break; diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c index 5f647d7a729..ee19e91568a 100644 --- a/arch/um/drivers/mcast_user.c +++ b/arch/um/drivers/mcast_user.c @@ -15,6 +15,7 @@ #include <unistd.h> #include <errno.h> #include <netinet/in.h> +#include "kern_constants.h" #include "mcast.h" #include "net_user.h" #include "um_malloc.h" @@ -24,7 +25,7 @@ static struct sockaddr_in *new_addr(char *addr, unsigned short port) { struct sockaddr_in *sin; - sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL); + sin = uml_kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL); if (sin == NULL) { printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in " "failed\n"); diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c index abf2653f551..9415dd9e63e 100644 --- a/arch/um/drivers/net_user.c +++ b/arch/um/drivers/net_user.c @@ -222,7 +222,7 @@ static void change(char *dev, char *what, unsigned char *addr, netmask[2], netmask[3]); output_len = UM_KERN_PAGE_SIZE; - output = kmalloc(output_len, UM_GFP_KERNEL); + output = uml_kmalloc(output_len, UM_GFP_KERNEL); if (output == NULL) printk(UM_KERN_ERR "change : failed to allocate output " "buffer\n"); diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c index d269ca387f1..b49bf56a56a 100644 --- a/arch/um/drivers/port_user.c +++ b/arch/um/drivers/port_user.c @@ -47,7 +47,7 @@ static void *port_init(char *str, int device, const struct chan_opts *opts) if (kern_data == NULL) return NULL; - data = kmalloc(sizeof(*data), UM_GFP_KERNEL); + data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL); if (data == NULL) goto err; diff --git a/arch/um/drivers/pty.c b/arch/um/drivers/pty.c index 49c79dda604..1113911dcb2 100644 --- a/arch/um/drivers/pty.c +++ b/arch/um/drivers/pty.c @@ -29,7 +29,7 @@ static void *pty_chan_init(char *str, int device, const struct chan_opts *opts) { struct pty_chan *data; - data = kmalloc(sizeof(*data), UM_GFP_KERNEL); + data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL); if (data == NULL) return NULL; diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c index 71f0959c153..4949044773b 100644 --- a/arch/um/drivers/random.c +++ b/arch/um/drivers/random.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2005 Jeff Dike <jdike@addtoit.com> */ +/* Copyright (C) 2005 - 2008 Jeff Dike <jdike@{linux.intel,addtoit}.com> */ + /* Much of this ripped from drivers/char/hw_random.c, see there for other * copyright. * @@ -8,16 +9,18 @@ #include <linux/sched.h> #include <linux/module.h> #include <linux/fs.h> +#include <linux/interrupt.h> #include <linux/miscdevice.h> #include <linux/delay.h> #include <asm/uaccess.h> +#include "irq_kern.h" #include "os.h" /* * core module and version information */ #define RNG_VERSION "1.0.0" -#define RNG_MODULE_NAME "random" +#define RNG_MODULE_NAME "hw_random" #define RNG_MISCDEV_MINOR 183 /* official */ @@ -26,47 +29,67 @@ * protects against a module being loaded twice at the same time. */ static int random_fd = -1; +static DECLARE_WAIT_QUEUE_HEAD(host_read_wait); static int rng_dev_open (struct inode *inode, struct file *filp) { /* enforce read-only access to this chrdev */ if ((filp->f_mode & FMODE_READ) == 0) return -EINVAL; - if (filp->f_mode & FMODE_WRITE) + if ((filp->f_mode & FMODE_WRITE) != 0) return -EINVAL; return 0; } +static atomic_t host_sleep_count = ATOMIC_INIT(0); + static ssize_t rng_dev_read (struct file *filp, char __user *buf, size_t size, - loff_t * offp) + loff_t *offp) { - u32 data; - int n, ret = 0, have_data; - - while(size){ - n = os_read_file(random_fd, &data, sizeof(data)); - if(n > 0){ - have_data = n; - while (have_data && size) { - if (put_user((u8)data, buf++)) { - ret = ret ? : -EFAULT; - break; - } - size--; - ret++; - have_data--; - data>>=8; - } - } - else if(n == -EAGAIN){ - if (filp->f_flags & O_NONBLOCK) - return ret ? : -EAGAIN; - - if(need_resched()) - schedule_timeout_interruptible(1); - } - else return n; + u32 data; + int n, ret = 0, have_data; + + while (size) { + n = os_read_file(random_fd, &data, sizeof(data)); + if (n > 0) { + have_data = n; + while (have_data && size) { + if (put_user((u8) data, buf++)) { + ret = ret ? : -EFAULT; + break; + } + size--; + ret++; + have_data--; + data >>= 8; + } + } + else if (n == -EAGAIN) { + DECLARE_WAITQUEUE(wait, current); + + if (filp->f_flags & O_NONBLOCK) + return ret ? : -EAGAIN; + + atomic_inc(&host_sleep_count); + reactivate_fd(random_fd, RANDOM_IRQ); + add_sigio_fd(random_fd); + + add_wait_queue(&host_read_wait, &wait); + set_task_state(current, TASK_INTERRUPTIBLE); + + schedule(); + set_task_state(current, TASK_RUNNING); + remove_wait_queue(&host_read_wait, &wait); + + if (atomic_dec_and_test(&host_sleep_count)) { + ignore_sigio_fd(random_fd); + deactivate_fd(random_fd, RANDOM_IRQ); + } + } + else + return n; + if (signal_pending (current)) return ret ? : -ERESTARTSYS; } @@ -86,6 +109,13 @@ static struct miscdevice rng_miscdev = { &rng_chrdev_ops, }; +static irqreturn_t random_interrupt(int irq, void *data) +{ + wake_up(&host_read_wait); + + return IRQ_HANDLED; +} + /* * rng_init - initialize RNG module */ @@ -93,28 +123,33 @@ static int __init rng_init (void) { int err; - err = os_open_file("/dev/random", of_read(OPENFLAGS()), 0); - if(err < 0) - goto out; + err = os_open_file("/dev/random", of_read(OPENFLAGS()), 0); + if (err < 0) + goto out; - random_fd = err; + random_fd = err; - err = os_set_fd_block(random_fd, 0); - if(err) + err = um_request_irq(RANDOM_IRQ, random_fd, IRQ_READ, random_interrupt, + IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "random", + NULL); + if (err) goto err_out_cleanup_hw; + sigio_broken(random_fd, 1); + err = misc_register (&rng_miscdev); if (err) { - printk (KERN_ERR RNG_MODULE_NAME ": misc device register failed\n"); + printk (KERN_ERR RNG_MODULE_NAME ": misc device register " + "failed\n"); goto err_out_cleanup_hw; } +out: + return err; - out: - return err; - - err_out_cleanup_hw: - random_fd = -1; - goto out; +err_out_cleanup_hw: + os_close_file(random_fd); + random_fd = -1; + goto out; } /* @@ -122,6 +157,7 @@ static int __init rng_init (void) */ static void __exit rng_cleanup (void) { + os_close_file(random_fd); misc_deregister (&rng_miscdev); } diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c index 8b80505a3fb..a1c2d2c98a9 100644 --- a/arch/um/drivers/slip_user.c +++ b/arch/um/drivers/slip_user.c @@ -96,7 +96,7 @@ static int slip_tramp(char **argv, int fd) pid = err; output_len = UM_KERN_PAGE_SIZE; - output = kmalloc(output_len, UM_GFP_KERNEL); + output = uml_kmalloc(output_len, UM_GFP_KERNEL); if (output == NULL) { printk(UM_KERN_ERR "slip_tramp : failed to allocate output " "buffer\n"); diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c index c930fedc517..495858a090e 100644 --- a/arch/um/drivers/tty.c +++ b/arch/um/drivers/tty.c @@ -29,7 +29,7 @@ static void *tty_chan_init(char *str, int device, const struct chan_opts *opts) } str++; - data = kmalloc(sizeof(*data), UM_GFP_KERNEL); + data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL); if (data == NULL) return NULL; *data = ((struct tty_chan) { .dev = str, diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 5e45e39a8a8..44ad1607be2 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1178,8 +1178,8 @@ static void cowify_bitmap(__u64 io_offset, int length, unsigned long *cow_mask, * by one word. Thanks to Lynn Kerby for the fix and James McMechan * for the original diagnosis. */ - if(*cow_offset == ((bitmap_len + sizeof(unsigned long) - 1) / - sizeof(unsigned long) - 1)) + if (*cow_offset == (DIV_ROUND_UP(bitmap_len, + sizeof(unsigned long)) - 1)) (*cow_offset)--; bitmap_words[0] = bitmap[*cow_offset]; diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c index 8a1c18a9b24..da2caa5a21e 100644 --- a/arch/um/drivers/xterm.c +++ b/arch/um/drivers/xterm.c @@ -30,7 +30,7 @@ static void *xterm_init(char *str, int device, const struct chan_opts *opts) { struct xterm_chan *data; - data = kmalloc(sizeof(*data), UM_GFP_KERNEL); + data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL); if (data == NULL) return NULL; *data = ((struct xterm_chan) { .pid = -1, diff --git a/arch/um/include/as-layout.h b/arch/um/include/as-layout.h index cac542d8ff7..58e852dfb0c 100644 --- a/arch/um/include/as-layout.h +++ b/arch/um/include/as-layout.h @@ -23,16 +23,16 @@ */ #ifdef __ASSEMBLY__ -#define _AC(X, Y) (Y) +#define _UML_AC(X, Y) (Y) #else -#define __AC(X, Y) (X (Y)) -#define _AC(X, Y) __AC(X, Y) +#define __UML_AC(X, Y) (X(Y)) +#define _UML_AC(X, Y) __UML_AC(X, Y) #endif -#define STUB_START _AC(, 0x100000) -#define STUB_CODE _AC((unsigned long), STUB_START) -#define STUB_DATA _AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE) -#define STUB_END _AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE) +#define STUB_START _UML_AC(, 0x100000) +#define STUB_CODE _UML_AC((unsigned long), STUB_START) +#define STUB_DATA _UML_AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE) +#define STUB_END _UML_AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE) #ifndef __ASSEMBLY__ diff --git a/arch/um/include/line.h b/arch/um/include/line.h index 979b73e6352..311a0d3d93a 100644 --- a/arch/um/include/line.h +++ b/arch/um/include/line.h @@ -58,11 +58,11 @@ struct line { }; #define LINE_INIT(str, d) \ - { .count_lock = SPIN_LOCK_UNLOCKED, \ + { .count_lock = __SPIN_LOCK_UNLOCKED((str).count_lock), \ .init_str = str, \ .init_pri = INIT_STATIC, \ .valid = 1, \ - .lock = SPIN_LOCK_UNLOCKED, \ + .lock = __SPIN_LOCK_UNLOCKED((str).lock), \ .driver = d } extern void line_close(struct tty_struct *tty, struct file * filp); diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 32c799e3a49..e2716ac8889 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -290,6 +290,7 @@ extern void os_set_ioignore(void); extern int add_sigio_fd(int fd); extern int ignore_sigio_fd(int fd); extern void maybe_sigio_broken(int fd, int read); +extern void sigio_broken(int fd, int read); /* sys-x86_64/prctl.c */ extern int os_arch_prctl(int pid, int code, unsigned long *addr); diff --git a/arch/um/include/process.h b/arch/um/include/process.h index 5af9157ff54..bb873a51262 100644 --- a/arch/um/include/process.h +++ b/arch/um/include/process.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ @@ -8,18 +8,10 @@ #include <signal.h> -extern void sig_handler(int sig, struct sigcontext sc); -extern void alarm_handler(int sig, struct sigcontext sc); +/* Copied from linux/compiler-gcc.h since we can't include it directly */ +#define barrier() __asm__ __volatile__("": : :"memory") -#endif +extern void sig_handler(int sig, struct sigcontext *sc); +extern void alarm_handler(int sig, struct sigcontext *sc); -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ +#endif diff --git a/arch/um/include/skas_ptrace.h b/arch/um/include/skas_ptrace.h index cd2327d09c8..3d31bbacd01 100644 --- a/arch/um/include/skas_ptrace.h +++ b/arch/um/include/skas_ptrace.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ @@ -12,14 +12,3 @@ #include "sysdep/skas_ptrace.h" #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/sysdep-i386/ptrace_user.h b/arch/um/include/sysdep-i386/ptrace_user.h index 75650723c38..ef56247e414 100644 --- a/arch/um/include/sysdep-i386/ptrace_user.h +++ b/arch/um/include/sysdep-i386/ptrace_user.h @@ -41,38 +41,10 @@ #define PT_SP_OFFSET PT_OFFSET(UESP) #define PT_SP(regs) ((regs)[UESP]) -#define FP_SIZE ((HOST_XFP_SIZE > HOST_FP_SIZE) ? HOST_XFP_SIZE : HOST_FP_SIZE) +#define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE) #ifndef FRAME_SIZE #define FRAME_SIZE (17) #endif -#define FRAME_SIZE_OFFSET (FRAME_SIZE * sizeof(unsigned long)) - -#define FP_FRAME_SIZE (27) -#define FPX_FRAME_SIZE (128) - -#ifdef PTRACE_GETREGS -#define UM_HAVE_GETREGS -#endif - -#ifdef PTRACE_SETREGS -#define UM_HAVE_SETREGS -#endif - -#ifdef PTRACE_GETFPREGS -#define UM_HAVE_GETFPREGS -#endif - -#ifdef PTRACE_SETFPREGS -#define UM_HAVE_SETFPREGS -#endif - -#ifdef PTRACE_GETFPXREGS -#define UM_HAVE_GETFPXREGS -#endif - -#ifdef PTRACE_SETFPXREGS -#define UM_HAVE_SETFPXREGS -#endif #endif diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h index 67e77122aa4..f583c87111a 100644 --- a/arch/um/include/sysdep-i386/sigcontext.h +++ b/arch/um/include/sysdep-i386/sigcontext.h @@ -10,7 +10,7 @@ #define IP_RESTART_SYSCALL(ip) ((ip) -= 2) -#define GET_FAULTINFO_FROM_SC(fi,sc) \ +#define GET_FAULTINFO_FROM_SC(fi, sc) \ { \ (fi).cr2 = SC_CR2(sc); \ (fi).error_code = SC_ERR(sc); \ diff --git a/arch/um/include/sysdep-x86_64/ptrace_user.h b/arch/um/include/sysdep-x86_64/ptrace_user.h index 45c0bd881cb..4dbccdb58f4 100644 --- a/arch/um/include/sysdep-x86_64/ptrace_user.h +++ b/arch/um/include/sysdep-x86_64/ptrace_user.h @@ -48,7 +48,8 @@ #define PT_ORIG_RAX_OFFSET (ORIG_RAX) #define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)]) -/* x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though +/* + * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the * 2.4 name and value for 2.4 host compatibility. */ @@ -56,7 +57,8 @@ #define PTRACE_OLDSETOPTIONS 21 #endif -/* These are before the system call, so the system call number is RAX +/* + * These are before the system call, so the system call number is RAX * rather than ORIG_RAX, and arg4 is R10 rather than RCX */ #define REGS_SYSCALL_NR PT_INDEX(RAX) @@ -73,14 +75,3 @@ #define FP_SIZE (HOST_FP_SIZE) #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/um_malloc.h b/arch/um/include/um_malloc.h index 0ad17cb83d9..c554d706d10 100644 --- a/arch/um/include/um_malloc.h +++ b/arch/um/include/um_malloc.h @@ -8,15 +8,12 @@ #include "kern_constants.h" -extern void *__kmalloc(int size, int flags); -static inline void *kmalloc(int size, int flags) -{ - return __kmalloc(size, flags); -} - +extern void *uml_kmalloc(int size, int flags); extern void kfree(const void *ptr); extern void *vmalloc(unsigned long size); extern void vfree(void *ptr); #endif /* __UM_MALLOC_H__ */ + + diff --git a/arch/um/kernel/dyn.lds.S b/arch/um/kernel/dyn.lds.S index 26090b7f323..9975e1ab44f 100644 --- a/arch/um/kernel/dyn.lds.S +++ b/arch/um/kernel/dyn.lds.S @@ -1,4 +1,5 @@ #include <asm-generic/vmlinux.lds.h> +#include <asm/page.h> OUTPUT_FORMAT(ELF_FORMAT) OUTPUT_ARCH(ELF_ARCH) @@ -21,7 +22,7 @@ SECTIONS _einittext = .; } - . = ALIGN(4096); + . = ALIGN(PAGE_SIZE); /* Read-only sections, merged into text segment: */ .hash : { *(.hash) } @@ -68,9 +69,9 @@ SECTIONS /* .gnu.warning sections are handled specially by elf32.em. */ *(.gnu.warning) - . = ALIGN(4096); + . = ALIGN(PAGE_SIZE); } =0x90909090 - . = ALIGN(4096); + . = ALIGN(PAGE_SIZE); .syscall_stub : { __syscall_stub_start = .; *(.__syscall_stub*) diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index 2eea1ff235e..b0ee64622ff 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -375,3 +375,8 @@ pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) return pmd; } #endif + +void *uml_kmalloc(int size, int flags) +{ + return kmalloc(size, flags); +} diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 0d0cea2ac98..c3e2f369c33 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -75,7 +75,7 @@ static irqreturn_t um_timer(int irq, void *dev) static cycle_t itimer_read(void) { - return os_nsecs(); + return os_nsecs() / 1000; } static struct clocksource itimer_clocksource = { @@ -83,7 +83,7 @@ static struct clocksource itimer_clocksource = { .rating = 300, .read = itimer_read, .mask = CLOCKSOURCE_MASK(64), - .mult = 1, + .mult = 1000, .shift = 0, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 56deed62344..9db85b2ce69 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -150,7 +150,7 @@ __uml_setup("root=", uml_root_setup, static int __init no_skas_debug_setup(char *line, int *add) { printf("'debug' is not necessary to gdb UML in skas mode - run \n"); - printf("'gdb linux'"); + printf("'gdb linux'\n"); return 0; } @@ -258,6 +258,7 @@ int __init linux_main(int argc, char **argv) { unsigned long avail, diff; unsigned long virtmem_size, max_physmem; + unsigned long stack; unsigned int i; int add; char * mode; @@ -348,7 +349,9 @@ int __init linux_main(int argc, char **argv) } virtmem_size = physmem_size; - avail = TASK_SIZE - start_vm; + stack = (unsigned long) argv; + stack &= ~(1024 * 1024 - 1); + avail = stack - start_vm; if (physmem_size > avail) virtmem_size = avail; end_vm = start_vm + virtmem_size; diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S index 5828c1d5450..11b835248b8 100644 --- a/arch/um/kernel/uml.lds.S +++ b/arch/um/kernel/uml.lds.S @@ -1,4 +1,5 @@ #include <asm-generic/vmlinux.lds.h> +#include <asm/page.h> OUTPUT_FORMAT(ELF_FORMAT) OUTPUT_ARCH(ELF_ARCH) @@ -26,7 +27,7 @@ SECTIONS INIT_TEXT _einittext = .; } - . = ALIGN(4096); + . = ALIGN(PAGE_SIZE); .text : { @@ -39,7 +40,7 @@ SECTIONS *(.gnu.linkonce.t*) } - . = ALIGN(4096); + . = ALIGN(PAGE_SIZE); .syscall_stub : { __syscall_stub_start = .; *(.__syscall_stub*) @@ -79,7 +80,7 @@ SECTIONS .sdata : { *(.sdata) } _edata = .; PROVIDE (edata = .); - . = ALIGN(0x1000); + . = ALIGN(PAGE_SIZE); .sbss : { __bss_start = .; diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c index 6fb0b174f53..cc72cb2c1af 100644 --- a/arch/um/os-Linux/drivers/ethertap_user.c +++ b/arch/um/os-Linux/drivers/ethertap_user.c @@ -52,7 +52,7 @@ static void etap_change(int op, unsigned char *addr, unsigned char *netmask, return; } - output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL); + output = uml_kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL); if (output == NULL) printk(UM_KERN_ERR "etap_change : Failed to allocate output " "buffer\n"); @@ -165,7 +165,7 @@ static int etap_open(void *data) err = etap_tramp(pri->dev_name, pri->gate_addr, control_fds[0], control_fds[1], data_fds[0], data_fds[1]); output_len = UM_KERN_PAGE_SIZE; - output = kmalloc(output_len, UM_GFP_KERNEL); + output = uml_kmalloc(output_len, UM_GFP_KERNEL); read_output(control_fds[0], output, output_len); if (output == NULL) diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c index f25c29a12d0..74ca7aabf4e 100644 --- a/arch/um/os-Linux/helper.c +++ b/arch/um/os-Linux/helper.c @@ -71,8 +71,8 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv) data.pre_data = pre_data; data.argv = argv; data.fd = fds[1]; - data.buf = __cant_sleep() ? kmalloc(PATH_MAX, UM_GFP_ATOMIC) : - kmalloc(PATH_MAX, UM_GFP_KERNEL); + data.buf = __cant_sleep() ? uml_kmalloc(PATH_MAX, UM_GFP_ATOMIC) : + uml_kmalloc(PATH_MAX, UM_GFP_KERNEL); pid = clone(helper_child, (void *) sp, CLONE_VM, &data); if (pid < 0) { ret = -errno; diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c index abb9b0ffd96..eee69b9f52c 100644 --- a/arch/um/os-Linux/main.c +++ b/arch/um/os-Linux/main.c @@ -199,7 +199,7 @@ void *__wrap_malloc(int size) return __real_malloc(size); else if (size <= UM_KERN_PAGE_SIZE) /* finding contiguous pages can be hard*/ - ret = kmalloc(size, UM_GFP_KERNEL); + ret = uml_kmalloc(size, UM_GFP_KERNEL); else ret = vmalloc(size); /* diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c index abf47a7c4ab..eb8f2e4be19 100644 --- a/arch/um/os-Linux/sigio.c +++ b/arch/um/os-Linux/sigio.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Copyright (C) 2002 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ @@ -15,6 +15,7 @@ #include "kern_util.h" #include "init.h" #include "os.h" +#include "process.h" #include "sigio.h" #include "um_malloc.h" #include "user.h" @@ -109,7 +110,7 @@ static int need_poll(struct pollfds *polls, int n) if (n <= polls->size) return 0; - new = kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC); + new = uml_kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC); if (new == NULL) { printk(UM_KERN_ERR "need_poll : failed to allocate new " "pollfds\n"); @@ -243,7 +244,7 @@ static struct pollfd *setup_initial_poll(int fd) { struct pollfd *p; - p = kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL); + p = uml_kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL); if (p == NULL) { printk(UM_KERN_ERR "setup_initial_poll : failed to allocate " "poll\n"); @@ -338,20 +339,10 @@ out_close1: close(l_write_sigio_fds[1]); } -/* Changed during early boot */ -static int pty_output_sigio = 0; -static int pty_close_sigio = 0; - -void maybe_sigio_broken(int fd, int read) +void sigio_broken(int fd, int read) { int err; - if (!isatty(fd)) - return; - - if ((read || pty_output_sigio) && (!read || pty_close_sigio)) - return; - write_sigio_workaround(); sigio_lock(); @@ -370,6 +361,21 @@ out: sigio_unlock(); } +/* Changed during early boot */ +static int pty_output_sigio; +static int pty_close_sigio; + +void maybe_sigio_broken(int fd, int read) +{ + if (!isatty(fd)) + return; + + if ((read || pty_output_sigio) && (!read || pty_close_sigio)) + return; + + sigio_broken(fd, read); +} + static void sigio_cleanup(void) { if (write_sigio_pid == -1) @@ -383,7 +389,7 @@ static void sigio_cleanup(void) __uml_exitcall(sigio_cleanup); /* Used as a flag during SIGIO testing early in boot */ -static volatile int got_sigio = 0; +static int got_sigio; static void __init handler(int sig) { @@ -498,7 +504,8 @@ static void tty_output(int master, int slave) if (errno != EAGAIN) printk(UM_KERN_ERR "tty_output : write failed, errno = %d\n", errno); - while (((n = read(slave, buf, sizeof(buf))) > 0) && !got_sigio) + while (((n = read(slave, buf, sizeof(buf))) > 0) && + !({ barrier(); got_sigio; })) ; if (got_sigio) { diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index 3f1694b134c..5aade6027e4 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -12,6 +12,7 @@ #include "as-layout.h" #include "kern_util.h" #include "os.h" +#include "process.h" #include "sysdep/barrier.h" #include "sysdep/sigcontext.h" #include "user.h" diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 1e8cba6550a..6be028ca181 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -442,7 +442,7 @@ void userspace(struct uml_pt_regs *regs) unblock_signals(); break; default: - printk(UM_KERN_ERR "userspace - child stopped " + printk(UM_KERN_ERR "userspace - child stopped " "with signal %d\n", sig); fatal_sigsegv(); } diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index 997d01944f9..b4b36e0f2e8 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -23,6 +23,7 @@ #include "mem_user.h" #include "ptrace_user.h" #include "registers.h" +#include "skas.h" #include "skas_ptrace.h" static void ptrace_child(void) @@ -140,14 +141,27 @@ static int stop_ptraced_child(int pid, int exitcode, int mustexit) } /* Changed only during early boot */ -int ptrace_faultinfo = 1; -int ptrace_ldt = 1; -int proc_mm = 1; -int skas_needs_stub = 0; +int ptrace_faultinfo; +static int disable_ptrace_faultinfo; + +int ptrace_ldt; +static int disable_ptrace_ldt; + +int proc_mm; +static int disable_proc_mm; + +int have_switch_mm; +static int disable_switch_mm; + +int skas_needs_stub; static int __init skas0_cmd_param(char *str, int* add) { - ptrace_faultinfo = proc_mm = 0; + disable_ptrace_faultinfo = 1; + disable_ptrace_ldt = 1; + disable_proc_mm = 1; + disable_switch_mm = 1; + return 0; } @@ -157,15 +171,12 @@ static int __init mode_skas0_cmd_param(char *str, int* add) __attribute__((alias("skas0_cmd_param"))); __uml_setup("skas0", skas0_cmd_param, - "skas0\n" - " Disables SKAS3 usage, so that SKAS0 is used, unless \n" - " you specify mode=tt.\n\n"); +"skas0\n" +" Disables SKAS3 and SKAS4 usage, so that SKAS0 is used\n\n"); __uml_setup("mode=skas0", mode_skas0_cmd_param, - "mode=skas0\n" - " Disables SKAS3 usage, so that SKAS0 is used, unless you \n" - " specify mode=tt. Note that this was recently added - on \n" - " older kernels you must use simply \"skas0\".\n\n"); +"mode=skas0\n" +" Disables SKAS3 and SKAS4 usage, so that SKAS0 is used.\n\n"); /* Changed only during early boot */ static int force_sysemu_disabled = 0; @@ -360,7 +371,7 @@ void __init os_early_checks(void) static int __init noprocmm_cmd_param(char *str, int* add) { - proc_mm = 0; + disable_proc_mm = 1; return 0; } @@ -372,7 +383,7 @@ __uml_setup("noprocmm", noprocmm_cmd_param, static int __init noptracefaultinfo_cmd_param(char *str, int* add) { - ptrace_faultinfo = 0; + disable_ptrace_faultinfo = 1; return 0; } @@ -384,7 +395,7 @@ __uml_setup("noptracefaultinfo", noptracefaultinfo_cmd_param, static int __init noptraceldt_cmd_param(char *str, int* add) { - ptrace_ldt = 0; + disable_ptrace_ldt = 1; return 0; } @@ -404,17 +415,15 @@ static inline void check_skas3_ptrace_faultinfo(void) n = ptrace(PTRACE_FAULTINFO, pid, 0, &fi); if (n < 0) { - ptrace_faultinfo = 0; if (errno == EIO) non_fatal("not found\n"); else perror("not found"); - } + } else if (disable_ptrace_faultinfo) + non_fatal("found but disabled on command line\n"); else { - if (!ptrace_faultinfo) - non_fatal("found but disabled on command line\n"); - else - non_fatal("found\n"); + ptrace_faultinfo = 1; + non_fatal("found\n"); } stop_ptraced_child(pid, 1, 1); @@ -437,38 +446,30 @@ static inline void check_skas3_ptrace_ldt(void) if (n < 0) { if (errno == EIO) non_fatal("not found\n"); - else { + else perror("not found"); - } - ptrace_ldt = 0; - } + } else if (disable_ptrace_ldt) + non_fatal("found, but use is disabled\n"); else { - if (ptrace_ldt) - non_fatal("found\n"); - else - non_fatal("found, but use is disabled\n"); + ptrace_ldt = 1; + non_fatal("found\n"); } stop_ptraced_child(pid, 1, 1); -#else - /* PTRACE_LDT might be disabled via cmdline option. - * We want to override this, else we might use the stub - * without real need - */ - ptrace_ldt = 1; #endif } static inline void check_skas3_proc_mm(void) { non_fatal(" - /proc/mm..."); - if (access("/proc/mm", W_OK) < 0) { - proc_mm = 0; + if (access("/proc/mm", W_OK) < 0) perror("not found"); - } - else if (!proc_mm) + else if (disable_proc_mm) non_fatal("found but disabled on command line\n"); - else non_fatal("found\n"); + else { + proc_mm = 1; + non_fatal("found\n"); + } } void can_do_skas(void) diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c index b613473b3ec..c6183e7aec3 100644 --- a/arch/um/os-Linux/sys-i386/registers.c +++ b/arch/um/os-Linux/sys-i386/registers.c @@ -5,6 +5,7 @@ */ #include <errno.h> +#include <asm/user.h> #include "kern_constants.h" #include "longjmp.h" #include "user.h" @@ -74,10 +75,10 @@ int put_fp_registers(int pid, unsigned long *regs) void arch_init_registers(int pid) { - unsigned long fpx_regs[HOST_XFP_SIZE]; + struct user_fxsr_struct fpx_regs; int err; - err = ptrace(PTRACE_GETFPXREGS, pid, 0, fpx_regs); + err = ptrace(PTRACE_GETFPXREGS, pid, 0, &fpx_regs); if (!err) return; diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c index e4928059946..bee98f466d6 100644 --- a/arch/um/os-Linux/time.c +++ b/arch/um/os-Linux/time.c @@ -9,7 +9,9 @@ #include <time.h> #include <sys/time.h> #include "kern_constants.h" +#include "kern_util.h" #include "os.h" +#include "process.h" #include "user.h" int set_interval(void) @@ -58,12 +60,17 @@ static inline long long timeval_to_ns(const struct timeval *tv) long long disable_timer(void) { struct itimerval time = ((struct itimerval) { { 0, 0 }, { 0, 0 } }); + int remain, max = UM_NSEC_PER_SEC / UM_HZ; if (setitimer(ITIMER_VIRTUAL, &time, &time) < 0) printk(UM_KERN_ERR "disable_timer - setitimer failed, " "errno = %d\n", errno); - return timeval_to_ns(&time.it_value); + remain = timeval_to_ns(&time.it_value); + if (remain > max) + remain = max; + + return remain; } long long os_nsecs(void) @@ -79,7 +86,44 @@ static int after_sleep_interval(struct timespec *ts) { return 0; } + +static void deliver_alarm(void) +{ + alarm_handler(SIGVTALRM, NULL); +} + +static unsigned long long sleep_time(unsigned long long nsecs) +{ + return nsecs; +} + #else +unsigned long long last_tick; +unsigned long long skew; + +static void deliver_alarm(void) +{ + unsigned long long this_tick = os_nsecs(); + int one_tick = UM_NSEC_PER_SEC / UM_HZ; + + if (last_tick == 0) + last_tick = this_tick - one_tick; + + skew += this_tick - last_tick; + + while (skew >= one_tick) { + alarm_handler(SIGVTALRM, NULL); + skew -= one_tick; + } + + last_tick = this_tick; +} + +static unsigned long long sleep_time(unsigned long long nsecs) +{ + return nsecs > skew ? nsecs - skew : 0; +} + static inline long long timespec_to_us(const struct timespec *ts) { return ((long long) ts->tv_sec * UM_USEC_PER_SEC) + @@ -102,6 +146,8 @@ static int after_sleep_interval(struct timespec *ts) */ if (start_usecs > usec) start_usecs = usec; + + start_usecs -= skew / UM_NSEC_PER_USEC; tv = ((struct timeval) { .tv_sec = start_usecs / UM_USEC_PER_SEC, .tv_usec = start_usecs % UM_USEC_PER_SEC }); interval = ((struct itimerval) { { 0, usec }, tv }); @@ -113,8 +159,6 @@ static int after_sleep_interval(struct timespec *ts) } #endif -extern void alarm_handler(int sig, struct sigcontext *sc); - void idle_sleep(unsigned long long nsecs) { struct timespec ts; @@ -126,10 +170,12 @@ void idle_sleep(unsigned long long nsecs) */ if (nsecs == 0) nsecs = UM_NSEC_PER_SEC / UM_HZ; + + nsecs = sleep_time(nsecs); ts = ((struct timespec) { .tv_sec = nsecs / UM_NSEC_PER_SEC, .tv_nsec = nsecs % UM_NSEC_PER_SEC }); if (nanosleep(&ts, &ts) == 0) - alarm_handler(SIGVTALRM, NULL); + deliver_alarm(); after_sleep_interval(&ts); } diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c index 6b4499906a6..c9b176534d6 100644 --- a/arch/um/sys-i386/ptrace.c +++ b/arch/um/sys-i386/ptrace.c @@ -148,14 +148,13 @@ int peek_user(struct task_struct *child, long addr, long data) int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int err, n, cpu = ((struct thread_info *) child->stack)->cpu; - long fpregs[HOST_FP_SIZE]; + struct user_i387_struct fpregs; - BUG_ON(sizeof(*buf) != sizeof(fpregs)); - err = save_fp_registers(userspace_pid[cpu], fpregs); + err = save_fp_registers(userspace_pid[cpu], (unsigned long *) &fpregs); if (err) return err; - n = copy_to_user(buf, fpregs, sizeof(fpregs)); + n = copy_to_user(buf, &fpregs, sizeof(fpregs)); if(n > 0) return -EFAULT; @@ -165,27 +164,26 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int n, cpu = ((struct thread_info *) child->stack)->cpu; - long fpregs[HOST_FP_SIZE]; + struct user_i387_struct fpregs; - BUG_ON(sizeof(*buf) != sizeof(fpregs)); - n = copy_from_user(fpregs, buf, sizeof(fpregs)); + n = copy_from_user(&fpregs, buf, sizeof(fpregs)); if (n > 0) return -EFAULT; - return restore_fp_registers(userspace_pid[cpu], fpregs); + return restore_fp_registers(userspace_pid[cpu], + (unsigned long *) &fpregs); } int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) { int err, n, cpu = ((struct thread_info *) child->stack)->cpu; - long fpregs[HOST_XFP_SIZE]; + struct user_fxsr_struct fpregs; - BUG_ON(sizeof(*buf) != sizeof(fpregs)); - err = save_fpx_registers(userspace_pid[cpu], fpregs); + err = save_fpx_registers(userspace_pid[cpu], (unsigned long *) &fpregs); if (err) return err; - n = copy_to_user(buf, fpregs, sizeof(fpregs)); + n = copy_to_user(buf, &fpregs, sizeof(fpregs)); if(n > 0) return -EFAULT; @@ -195,14 +193,14 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) { int n, cpu = ((struct thread_info *) child->stack)->cpu; - long fpregs[HOST_XFP_SIZE]; + struct user_fxsr_struct fpregs; - BUG_ON(sizeof(*buf) != sizeof(fpregs)); - n = copy_from_user(fpregs, buf, sizeof(fpregs)); + n = copy_from_user(&fpregs, buf, sizeof(fpregs)); if (n > 0) return -EFAULT; - return restore_fpx_registers(userspace_pid[cpu], fpregs); + return restore_fpx_registers(userspace_pid[cpu], + (unsigned long *) &fpregs); } long subarch_ptrace(struct task_struct *child, long request, long addr, diff --git a/arch/um/sys-i386/user-offsets.c b/arch/um/sys-i386/user-offsets.c index 39bd32bf84f..5f883bfe773 100644 --- a/arch/um/sys-i386/user-offsets.c +++ b/arch/um/sys-i386/user-offsets.c @@ -22,7 +22,7 @@ void foo(void) OFFSET(HOST_SC_CR2, sigcontext, cr2); DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct)); - DEFINE_LONGS(HOST_XFP_SIZE, sizeof(struct user_fpxregs_struct)); + DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct)); DEFINE(HOST_IP, EIP); DEFINE(HOST_SP, UESP); diff --git a/arch/um/sys-x86_64/user-offsets.c b/arch/um/sys-x86_64/user-offsets.c index 2f3443c6e85..973585414a6 100644 --- a/arch/um/sys-x86_64/user-offsets.c +++ b/arch/um/sys-x86_64/user-offsets.c @@ -24,7 +24,6 @@ void foo(void) OFFSET(HOST_SC_TRAPNO, sigcontext, trapno); DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long)); - DEFINE(HOST_XFP_SIZE, 0); DEFINE_LONGS(HOST_RBX, RBX); DEFINE_LONGS(HOST_RCX, RCX); DEFINE_LONGS(HOST_RDI, RDI); diff --git a/arch/x86/kernel/acpi/realmode/wakeup.lds.S b/arch/x86/kernel/acpi/realmode/wakeup.lds.S index 22fab6c4be1..7da00b799cd 100644 --- a/arch/x86/kernel/acpi/realmode/wakeup.lds.S +++ b/arch/x86/kernel/acpi/realmode/wakeup.lds.S @@ -12,11 +12,6 @@ ENTRY(_start) SECTIONS { - . = HEADER_OFFSET; - .header : { - *(.header) - } - . = 0; .text : { *(.text*) @@ -50,6 +45,11 @@ SECTIONS __bss_end = .; } + . = HEADER_OFFSET; + .header : { + *(.header) + } + . = ALIGN(16); _end = .; diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 0c37f16b695..c5ef1af8e79 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -385,11 +385,13 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, if (dma_alloc_from_coherent_mem(dev, size, dma_handle, &memory)) return memory; - if (!dev) + if (!dev) { dev = &fallback_dev; + gfp |= GFP_DMA; + } dma_mask = dev->coherent_dma_mask; if (dma_mask == 0) - dma_mask = DMA_32BIT_MASK; + dma_mask = (gfp & GFP_DMA) ? DMA_24BIT_MASK : DMA_32BIT_MASK; /* Device not DMA able */ if (dev->dma_mask == NULL) @@ -403,7 +405,7 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, larger than 16MB and in this case we have a chance of finding fitting memory in the next higher zone first. If not retry with true GFP_DMA. -AK */ - if (dma_mask <= DMA_32BIT_MASK) + if (dma_mask <= DMA_32BIT_MASK && !(gfp & GFP_DMA)) gfp |= GFP_DMA32; #endif diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index fb03ef380f0..a7835f28293 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -1303,6 +1303,9 @@ static const struct user_regset_view user_x86_64_view = { #define genregs32_get genregs_get #define genregs32_set genregs_set +#define user_i387_ia32_struct user_i387_struct +#define user32_fxsr_struct user_fxsr_struct + #endif /* CONFIG_X86_64 */ #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION @@ -1315,13 +1318,13 @@ static const struct user_regset x86_32_regsets[] = { }, [REGSET_FP] = { .core_note_type = NT_PRFPREG, - .n = sizeof(struct user_i387_struct) / sizeof(u32), + .n = sizeof(struct user_i387_ia32_struct) / sizeof(u32), .size = sizeof(u32), .align = sizeof(u32), .active = fpregs_active, .get = fpregs_get, .set = fpregs_set }, [REGSET_XFP] = { .core_note_type = NT_PRXFPREG, - .n = sizeof(struct user_i387_struct) / sizeof(u32), + .n = sizeof(struct user32_fxsr_struct) / sizeof(u32), .size = sizeof(u32), .align = sizeof(u32), .active = xfpregs_active, .get = xfpregs_get, .set = xfpregs_set }, diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index c0c68c18a78..6f80b852a19 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -12,6 +12,7 @@ #include <asm/mpspec.h> #include <asm/apicdef.h> +#ifdef CONFIG_X86_LOCAL_APIC unsigned int num_processors; unsigned disabled_cpus __cpuinitdata; /* Processor that is doing the boot up */ @@ -23,8 +24,9 @@ EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid); /* Bitmask of physically existing CPUs */ physid_mask_t phys_cpu_present_map; +#endif -#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_SMP) +#if defined(CONFIG_HAVE_SETUP_PER_CPU_AREA) && defined(CONFIG_X86_SMP) /* * Copy data used in early init routines from the initial arrays to the * per cpu data areas. These arrays then become expendable and the diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index f2fc8feb727..6dff1286ad8 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -951,7 +951,7 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c) static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c) { if (c->x86 == 0x6 && c->x86_model >= 0xf) - set_bit(X86_FEATURE_CONSTANT_TSC, &c->x86_capability); + set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); } static void __cpuinit init_centaur(struct cpuinfo_x86 *c) diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index 8f75893a646..0cb7aadc87c 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -231,7 +231,8 @@ native_smp_call_function_mask(cpumask_t mask, wmb(); /* Send a message to other CPUs */ - if (cpus_equal(mask, allbutself)) + if (cpus_equal(mask, allbutself) && + cpus_equal(cpu_online_map, cpu_callout_map)) send_IPI_allbutself(CALL_FUNCTION_VECTOR); else send_IPI_mask(mask, CALL_FUNCTION_VECTOR); diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 6b087ab6cd8..38988491c62 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -86,6 +86,7 @@ void *x86_bios_cpu_apicid_early_ptr; #ifdef CONFIG_X86_32 u8 apicid_2_node[MAX_APICID]; +static int low_mappings; #endif /* State of each CPU */ @@ -326,6 +327,12 @@ static void __cpuinit start_secondary(void *unused) enable_8259A_irq(0); } +#ifdef CONFIG_X86_32 + while (low_mappings) + cpu_relax(); + __flush_tlb_all(); +#endif + /* This must be done before setting cpu_online_map */ set_cpu_sibling_map(raw_smp_processor_id()); wmb(); @@ -1040,14 +1047,20 @@ int __cpuinit native_cpu_up(unsigned int cpu) #ifdef CONFIG_X86_32 /* init low mem mapping */ clone_pgd_range(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY, - min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY)); + min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY)); flush_tlb_all(); -#endif + low_mappings = 1; err = do_boot_cpu(apicid, cpu); - if (err < 0) { + + zap_low_mappings(); + low_mappings = 0; +#else + err = do_boot_cpu(apicid, cpu); +#endif + if (err) { Dprintk("do_boot_cpu failed %d\n", err); - return err; + return -EIO; } /* @@ -1259,9 +1272,6 @@ void __init native_smp_cpus_done(unsigned int max_cpus) setup_ioapic_dest(); #endif check_nmi_watchdog(); -#ifdef CONFIG_X86_32 - zap_low_mappings(); -#endif } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c index 58882f9f263..f6c05d0410f 100644 --- a/arch/x86/kernel/x8664_ksyms_64.c +++ b/arch/x86/kernel/x8664_ksyms_64.c @@ -2,6 +2,7 @@ All C exports should go in the respective C files. */ #include <linux/module.h> +#include <net/checksum.h> #include <linux/smp.h> #include <asm/processor.h> @@ -29,6 +30,8 @@ EXPORT_SYMBOL(__copy_from_user_inatomic); EXPORT_SYMBOL(copy_page); EXPORT_SYMBOL(clear_page); +EXPORT_SYMBOL(csum_partial); + /* * Export string functions. We normally rely on gcc builtin for most of these, * but gcc sometimes decides not to inline them. diff --git a/arch/x86/lib/csum-partial_64.c b/arch/x86/lib/csum-partial_64.c index bc503f50690..bf51144d97e 100644 --- a/arch/x86/lib/csum-partial_64.c +++ b/arch/x86/lib/csum-partial_64.c @@ -136,8 +136,6 @@ __wsum csum_partial(const void *buff, int len, __wsum sum) (__force u32)sum); } -EXPORT_SYMBOL(csum_partial); - /* * this routine is used for miscellaneous IP-like checksums, mainly * in icmp.c diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index de236e419cb..ec30d10154b 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -438,8 +438,6 @@ void zap_low_mappings(void) { int i; - save_pg_dir(); - /* * Zap initial low-memory mappings. * @@ -663,16 +661,8 @@ void __init mem_init(void) test_wp_bit(); cpa_init(); - - /* - * Subtle. SMP is doing it's boot stuff late (because it has to - * fork idle threads) - but it also needs low mappings for the - * protected-mode entry to work. We zap these entries only after - * the WP-bit has been tested. - */ -#ifndef CONFIG_SMP + save_pg_dir(); zap_low_mappings(); -#endif } #ifdef CONFIG_MEMORY_HOTPLUG diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 60adbe22efa..bcb1a8e4b2d 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -555,7 +555,7 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, "%s:%d /dev/mem ioremap_change_attr failed %s for %Lx-%Lx\n", current->comm, current->pid, cattr_name(flags), - offset, offset + size); + offset, (unsigned long long)(offset + size)); return 0; } @@ -576,7 +576,7 @@ void map_devmem(unsigned long pfn, unsigned long size, pgprot_t vma_prot) "%s:%d /dev/mem expected mapping type %s for %Lx-%Lx, got %s\n", current->comm, current->pid, cattr_name(want_flags), - addr, addr + size, + addr, (unsigned long long)(addr + size), cattr_name(flags)); } } diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c index 8af0f0bae2a..10fb308fded 100644 --- a/arch/x86/pci/i386.c +++ b/arch/x86/pci/i386.c @@ -301,15 +301,13 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, prot = pgprot_val(vma->vm_page_prot); if (pat_wc_enabled && write_combine) prot |= _PAGE_CACHE_WC; - else if (pat_wc_enabled) + else if (pat_wc_enabled || boot_cpu_data.x86 > 3) /* * ioremap() and ioremap_nocache() defaults to UC MINUS for now. * To avoid attribute conflicts, request UC MINUS here * aswell. */ prot |= _PAGE_CACHE_UC_MINUS; - else if (boot_cpu_data.x86 > 3) - prot |= _PAGE_CACHE_UC; vma->vm_page_prot = __pgprot(prot); |